feat: Add general catalogs for historical, Canadian, US, and SITAR tariff fractions and sectors with full stack implementation.

2026-02-17 10:22:54 -06:00
parent 307bc5d3ce
commit 2a0480a7f3
36 changed files with 2089 additions and 96 deletions
--- a/backend/alembic/versions/7937209f9718_seed_initial_data.py
+++ b/backend/alembic/versions/7937209f9718_seed_initial_data.py
@@ -1,7 +1,8 @@
 """seed_initial_data

 Revision ID: 7937209f9718
-Revises: 531bf8cdae06
+Revises: 
+
 Create Date: 2025-10-19 18:23:55.258800

 """
@@ -95,6 +96,174 @@ depends_on: Union[str, Sequence[str], None] = None
 def upgrade() -> None:
    """Upgrade schema."""

+    # --- CREAR TABLA fraccion canadienses ---
+    op.create_table('canadian_tariff_fractions',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('fraction', sa.String(length=13), nullable=False),
+    sa.Column('ad_valorem', sa.Numeric(precision=5, scale=2), nullable=True),
+    sa.Column('unit_of_measure', sa.String(length=5), nullable=True),
+    sa.Column('country_code', sa.String(length=3), nullable=False),
+    sa.Column('description', sa.String(length=1000), nullable=True),
+    
+    # Tenant Scoped Mixin
+    sa.Column('tenant_id', sa.Integer(), nullable=False),
+    sa.Column('company_id', sa.Integer(), nullable=False),
+    
+    # Timestamp Mixin
+    sa.Column('created_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(), nullable=True),
+    
+    sa.PrimaryKeyConstraint('id'),
+    sa.ForeignKeyConstraint(['tenant_id'], ['core.tenants.id'], source_schema='a76', referent_schema='core'),
+    sa.ForeignKeyConstraint(['company_id'], ['a76.company.id'], source_schema='a76', referent_schema='a76'),
+    sa.UniqueConstraint('fraction', 'country_code', 'company_id', name='uq_canadian_fraction_country_company'),
+    schema='a76'
+    )
+    op.create_index(op.f('ix_a76_canadian_tariff_fractions_country_code'), 'canadian_tariff_fractions', ['country_code'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_canadian_tariff_fractions_fraction'), 'canadian_tariff_fractions', ['fraction'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_canadian_tariff_fractions_id'), 'canadian_tariff_fractions', ['id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_canadian_tariff_fractions_company_id'), 'canadian_tariff_fractions', ['company_id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_canadian_tariff_fractions_tenant_id'), 'canadian_tariff_fractions', ['tenant_id'], unique=False, schema='a76')
+
+    # --- CREAR TABLA fraccion americana ---
+    op.create_table('us_tariff_fractions',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('code', sa.String(length=16), nullable=False, comment='Código de fracción americana'),
+    sa.Column('prefix', sa.String(length=10), nullable=True, comment='Prefijo de clasificación'),
+    sa.Column('type_code', sa.String(length=10), nullable=True, comment='Código de tipo'),
+    sa.Column('ad_valorem', sa.Numeric(precision=10, scale=2), nullable=True, comment='Porcentaje ad valorem'),
+    sa.Column('fixed_cost', sa.Numeric(precision=15, scale=8), nullable=True, comment='Tasa fija'),
+    sa.Column('unit_of_measure', sa.String(length=10), nullable=True, comment='Unidad de medida'),
+    sa.Column('description', sa.String(), nullable=True, comment='Descripción de la fracción'),
+    
+    # Tenant Scoped Mixin
+    sa.Column('tenant_id', sa.Integer(), nullable=False),
+    sa.Column('company_id', sa.Integer(), nullable=False),
+    
+    # Timestamp Mixin
+    sa.Column('created_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(), nullable=True),
+    
+    sa.PrimaryKeyConstraint('id'),
+    sa.ForeignKeyConstraint(['tenant_id'], ['core.tenants.id'], source_schema='a76', referent_schema='core'),
+    sa.ForeignKeyConstraint(['company_id'], ['a76.company.id'], source_schema='a76', referent_schema='a76'),
+    schema='a76'
+    )
+    op.create_index(op.f('ix_a76_us_tariff_fractions_id'), 'us_tariff_fractions', ['id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_us_tariff_fractions_company_id'), 'us_tariff_fractions', ['company_id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_us_tariff_fractions_tenant_id'), 'us_tariff_fractions', ['tenant_id'], unique=False, schema='a76')
+
+    # --- CREAR TABLA fraccion historico ---
+    op.create_table('historical_tariff_fractions',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('historical_fraction', sa.String(length=8), nullable=True),
+    sa.Column('unit_of_measure_code', sa.String(), nullable=True),
+    sa.Column('country', sa.String(), nullable=True),
+    sa.Column('fraction_type', sa.String(length=7), nullable=True),
+    sa.Column('sector', sa.String(length=5), nullable=True),
+    sa.Column('import_tax_rate', sa.Numeric(precision=7, scale=2), nullable=True),
+    sa.Column('export_tax_rate', sa.Numeric(precision=7, scale=2), nullable=True),
+    sa.Column('publication_date', sa.DateTime(), nullable=True),
+    sa.Column('is_immex', sa.Boolean(), nullable=True),
+    sa.Column('normal_temporality', sa.Boolean(), nullable=True),
+    sa.Column('services_temporality', sa.Boolean(), nullable=True),
+    sa.Column('certified_temporality', sa.Boolean(), nullable=True),
+    sa.Column('by_log', sa.Boolean(), nullable=True),
+    sa.Column('end_date', sa.DateTime(), nullable=True),
+
+    # Tenant Scoped Mixin
+    sa.Column('tenant_id', sa.Integer(), nullable=False),
+    sa.Column('company_id', sa.Integer(), nullable=False),
+    
+    # Timestamp Mixin
+    sa.Column('created_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(), nullable=True),
+
+    sa.PrimaryKeyConstraint('id'),
+    sa.ForeignKeyConstraint(['tenant_id'], ['core.tenants.id'], source_schema='a76', referent_schema='core'),
+    sa.ForeignKeyConstraint(['company_id'], ['a76.company.id'], source_schema='a76', referent_schema='a76'),
+    # Foreign Keys to other tables (assuming they exist or are created before/simultaneously, referencing explicit schemas)
+    sa.ForeignKeyConstraint(['unit_of_measure_code'], ['a76.unit_of_measure_customs.code'], source_schema='a76', referent_schema='a76'),
+    sa.ForeignKeyConstraint(['country'], ['public.countries.m3_key'], source_schema='a76', referent_schema='public'),
+
+    schema='a76'
+    )
+    op.create_index(op.f('ix_a76_historical_tariff_fractions_id'), 'historical_tariff_fractions', ['id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_historical_tariff_fractions_company_id'), 'historical_tariff_fractions', ['company_id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_historical_tariff_fractions_tenant_id'), 'historical_tariff_fractions', ['tenant_id'], unique=False, schema='a76')
+
+    # --- CREAR TABLA fraccion americana ---
+    op.create_table('us_tariff_fractions',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('code', sa.String(length=16), nullable=False, comment='Código de fracción americana'),
+    sa.Column('prefix', sa.String(length=10), nullable=True, comment='Prefijo de clasificación'),
+    sa.Column('type_code', sa.String(length=10), nullable=True, comment='Código de tipo'),
+    sa.Column('ad_valorem', sa.Numeric(precision=10, scale=2), nullable=True, comment='Porcentaje ad valorem'),
+    sa.Column('fixed_cost', sa.Numeric(precision=15, scale=8), nullable=True, comment='Tasa fija'),
+    sa.Column('unit_of_measure', sa.String(length=10), nullable=True, comment='Unidad de medida'),
+    sa.Column('description', sa.String(), nullable=True, comment='Descripción de la fracción'),
+    
+    # Tenant Scoped Mixin
+    sa.Column('tenant_id', sa.Integer(), nullable=False),
+    sa.Column('company_id', sa.Integer(), nullable=False),
+    
+    # Timestamp Mixin
+    sa.Column('created_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(), nullable=True),
+    
+    sa.PrimaryKeyConstraint('id'),
+    sa.ForeignKeyConstraint(['tenant_id'], ['core.tenants.id'], source_schema='a76', referent_schema='core'),
+    sa.ForeignKeyConstraint(['company_id'], ['a76.company.id'], source_schema='a76', referent_schema='a76'),
+    schema='a76'
+    )
+    op.create_index(op.f('ix_a76_us_tariff_fractions_id'), 'us_tariff_fractions', ['id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_us_tariff_fractions_company_id'), 'us_tariff_fractions', ['company_id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_us_tariff_fractions_tenant_id'), 'us_tariff_fractions', ['tenant_id'], unique=False, schema='a76')
+
+    # --- CREAR TABLA fraccion historico ---
+    op.create_table('historical_tariff_fractions',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('historical_fraction', sa.String(length=8), nullable=True),
+    sa.Column('unit_of_measure_code', sa.String(), nullable=True),
+    sa.Column('country', sa.String(), nullable=True),
+    sa.Column('fraction_type', sa.String(length=7), nullable=True),
+    sa.Column('sector', sa.String(length=5), nullable=True),
+    sa.Column('import_tax_rate', sa.Numeric(precision=7, scale=2), nullable=True),
+    sa.Column('export_tax_rate', sa.Numeric(precision=7, scale=2), nullable=True),
+    sa.Column('publication_date', sa.DateTime(), nullable=True),
+    sa.Column('is_immex', sa.Boolean(), nullable=True),
+    sa.Column('normal_temporality', sa.Boolean(), nullable=True),
+    sa.Column('services_temporality', sa.Boolean(), nullable=True),
+    sa.Column('certified_temporality', sa.Boolean(), nullable=True),
+    sa.Column('by_log', sa.Boolean(), nullable=True),
+    sa.Column('end_date', sa.DateTime(), nullable=True),
+
+    # Tenant Scoped Mixin
+    sa.Column('tenant_id', sa.Integer(), nullable=False),
+    sa.Column('company_id', sa.Integer(), nullable=False),
+    
+    # Timestamp Mixin
+    sa.Column('created_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.TIMESTAMP(timezone=True), server_default=sa.text('now()'), nullable=False),
+    sa.Column('deleted_at', sa.DateTime(), nullable=True),
+
+    sa.PrimaryKeyConstraint('id'),
+    sa.ForeignKeyConstraint(['tenant_id'], ['core.tenants.id'], source_schema='a76', referent_schema='core'),
+    sa.ForeignKeyConstraint(['company_id'], ['a76.company.id'], source_schema='a76', referent_schema='a76'),
+    # Foreign Keys to other tables (assuming they exist or are created before/simultaneously, referencing explicit schemas)
+    sa.ForeignKeyConstraint(['unit_of_measure_code'], ['a76.unit_of_measure_customs.code'], source_schema='a76', referent_schema='a76'),
+    sa.ForeignKeyConstraint(['country'], ['public.countries.m3_key'], source_schema='a76', referent_schema='public'),
+
+    schema='a76'
+    )
+    op.create_index(op.f('ix_a76_historical_tariff_fractions_id'), 'historical_tariff_fractions', ['id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_historical_tariff_fractions_company_id'), 'historical_tariff_fractions', ['company_id'], unique=False, schema='a76')
+    op.create_index(op.f('ix_a76_historical_tariff_fractions_tenant_id'), 'historical_tariff_fractions', ['tenant_id'], unique=False, schema='a76')
+
    # --- UTILIDAD DE FORMATEO ---
    def format_value(val):
        if val is None or str(val).strip() == "" or str(val).upper() == "NONE":
@@ -520,7 +689,8 @@ def upgrade() -> None:
            f"{format_value(fraction_type)}, {format_value(sector)}, {format_value(import_tax)}, "
            f"{format_value(export_tax)}, {format_timestamp(pub_date)}, {format_bool(is_immex)}, "
            f"{format_bool(normal_temp)}, {format_bool(services_temp)}, {format_bool(certified_temp)}, "
-            f"{format_bool(by_log)}, {format_timestamp(end_date)})"
+            f"{format_bool(by_log)}, {format_timestamp(end_date)}, "
+            f"1, 1, 'NOW()', 'NOW()')" # tenant_id=1, company_id=1, created_at=NOW(), updated_at=NOW()
            for historical_fraction, unit_measure, country, fraction_type, sector, import_tax, export_tax, pub_date, is_immex, normal_temp, services_temp, certified_temp, by_log, end_date in historical_tariff_fractions_seed
        ]
    )
@@ -531,7 +701,8 @@ def upgrade() -> None:
            INSERT INTO a76.historical_tariff_fractions 
            (historical_fraction, unit_of_measure_code, country, fraction_type, sector, 
             import_tax_rate, export_tax_rate, publication_date, is_immex, 
-             normal_temporality, services_temporality, certified_temporality, by_log, end_date)
+             normal_temporality, services_temporality, certified_temporality, by_log, end_date,
+             tenant_id, company_id, created_at, updated_at)
            VALUES {values_historical_fractions}
            ON CONFLICT DO NOTHING;
        """
@@ -541,6 +712,9 @@ def upgrade() -> None:
 def downgrade() -> None:
    """Downgrade schema."""

+    op.drop_table("us_tariff_fractions", schema="a76")
+    op.drop_table("historical_tariff_fractions", schema="a76")
+    op.drop_table("canadian_tariff_fractions", schema="a76")
    op.drop_table("valuation_methods", schema="public")
    op.drop_table("transport_types", schema="public")
    op.drop_table("trailer_types", schema="public")
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/init.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/init.py
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/models.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/models.py
@@ -0,0 +1,29 @@
+
+from datetime import datetime
+from typing import Optional
+from sqlalchemy import String, Numeric, TIMESTAMP, func, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column
+from core.database import Base
+
+from api.v1.common.base_models import TenantScopedMixin, TimestampMixin
+
+class CanadianTariffFraction(Base, TenantScopedMixin, TimestampMixin):
+    """Model for Canadian Tariff Fractions (GFracEUACan)"""
+    __tablename__ = "canadian_tariff_fractions"
+    __table_args__ = (
+        UniqueConstraint('fraction', 'country_code', 'company_id', name='uq_canadian_fraction_country_company'),
+        {"schema": "a76"}
+    )
+
+    id: Mapped[int] = mapped_column(primary_key=True, index=True)
+    
+    # FRACCION
+    fraction: Mapped[str] = mapped_column(String(13), nullable=False, index=True)
+    # ADV
+    ad_valorem: Mapped[Optional[float]] = mapped_column(Numeric(5, 2))
+    # UNIDAD
+    unit_of_measure: Mapped[Optional[str]] = mapped_column(String(5))
+    # CLAVEM3 (Part of original PK)
+    country_code: Mapped[str] = mapped_column(String(3), nullable=False, index=True)
+    # DESCRIPCION
+    description: Mapped[Optional[str]] = mapped_column(String(1000))
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/routes.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/routes.py
@@ -0,0 +1,98 @@
+
+from typing import Optional
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from core.database import get_core_db
+from core.security import get_current_user
+from .service import CanadianTariffFractionService
+from .schemas import (
+    CanadianTariffFractionResponse,
+    CanadianTariffFractionCreate,
+    CanadianTariffFractionUpdate,
+    CanadianTariffFractionListResponse
+)
+
+from api.v1.common.tenant_crud_routes import validate_access_to_resource
+
+router = APIRouter()
+
+@router.get("/", response_model=CanadianTariffFractionListResponse)
+def list_canadian_fractions(
+    company_id: int = Query(..., description="Company ID"),
+    page: int = Query(1, ge=1),
+    page_size: int = Query(50, ge=1, le=1000),
+    search: Optional[str] = None,
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    skip = (page - 1) * page_size
+    service = CanadianTariffFractionService(db)
+    items, total = service.get_multi(
+        tenant_id=tenant_id, 
+        company_id=company_id, 
+        skip=skip, 
+        limit=page_size, 
+        search=search
+    )
+    return {
+        "items": items,
+        "total": total,
+        "page": page,
+        "page_size": page_size,
+        "pages": (total + page_size - 1) // page_size if page_size > 0 else 1
+    }
+
+@router.get("/{id}", response_model=CanadianTariffFractionResponse)
+def get_canadian_fraction(
+    id: int,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = CanadianTariffFractionService(db)
+    item = service.get(id, tenant_id, company_id)
+    if not item:
+        raise HTTPException(status_code=404, detail="Not found")
+    return item
+
+@router.post("/", response_model=CanadianTariffFractionResponse)
+def create_canadian_fraction(
+    item_in: CanadianTariffFractionCreate,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = CanadianTariffFractionService(db)
+    return service.create(item_in, tenant_id, company_id)
+
+@router.put("/{id}", response_model=CanadianTariffFractionResponse)
+def update_canadian_fraction(
+    id: int,
+    item_in: CanadianTariffFractionUpdate,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = CanadianTariffFractionService(db)
+    item = service.get(id, tenant_id, company_id)
+    if not item:
+        raise HTTPException(status_code=404, detail="Not found")
+    return service.update(item, item_in)
+
+@router.delete("/{id}", response_model=CanadianTariffFractionResponse)
+def delete_canadian_fraction(
+    id: int,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = CanadianTariffFractionService(db)
+    item = service.get(id, tenant_id, company_id)
+    if not item:
+        raise HTTPException(status_code=404, detail="Not found")
+    return service.delete(id, tenant_id, company_id)
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/schemas.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/schemas.py
@@ -0,0 +1,32 @@
+
+from typing import Optional, List
+from pydantic import BaseModel, Field, ConfigDict
+from datetime import datetime
+from decimal import Decimal
+
+class CanadianTariffFractionBase(BaseModel):
+    fraction: str = Field(..., max_length=13)
+    ad_valorem: Optional[Decimal] = Field(None, max_digits=5, decimal_places=2)
+    unit_of_measure: Optional[str] = Field(None, max_length=5)
+    country_code: str = Field(..., max_length=3)
+    description: Optional[str] = Field(None, max_length=1000)
+
+class CanadianTariffFractionCreate(CanadianTariffFractionBase):
+    pass
+
+class CanadianTariffFractionUpdate(CanadianTariffFractionBase):
+    pass
+
+class CanadianTariffFractionResponse(CanadianTariffFractionBase):
+    id: int
+    created_at: datetime
+    updated_at: datetime
+
+    model_config = ConfigDict(from_attributes=True)
+
+class CanadianTariffFractionListResponse(BaseModel):
+    items: List[CanadianTariffFractionResponse]
+    total: int
+    page: int
+    page_size: int
+    pages: int
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/service.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/canadian_tariff_fractions/service.py
@@ -0,0 +1,71 @@
+
+from typing import Optional, List, Tuple
+from sqlalchemy import select, func
+from sqlalchemy.orm import Session
+from .models import CanadianTariffFraction
+from .schemas import CanadianTariffFractionCreate, CanadianTariffFractionUpdate
+
+class CanadianTariffFractionService:
+    def __init__(self, db: Session):
+        self.db = db
+
+    def get(self, id: int, tenant_id: int, company_id: int) -> Optional[CanadianTariffFraction]:
+        return self.db.query(CanadianTariffFraction).filter(
+            CanadianTariffFraction.id == id,
+            CanadianTariffFraction.tenant_id == tenant_id,
+            CanadianTariffFraction.company_id == company_id
+        ).first()
+
+    def get_multi(
+        self,
+        tenant_id: int,
+        company_id: int,
+        skip: int = 0,
+        limit: int = 100,
+        search: Optional[str] = None
+    ) -> Tuple[List[CanadianTariffFraction], int]:
+        query = select(CanadianTariffFraction).where(
+            CanadianTariffFraction.tenant_id == tenant_id,
+            CanadianTariffFraction.company_id == company_id
+        )
+        
+        if search:
+            query = query.where(
+                (CanadianTariffFraction.fraction.ilike(f"%{search}%")) |
+                (CanadianTariffFraction.description.ilike(f"%{search}%"))
+            )
+            
+        total = self.db.execute(select(func.count()).select_from(query.subquery())).scalar_one()
+        items = self.db.scalars(query.offset(skip).limit(limit)).all()
+        return items, total
+
+    def create(self, obj_in: CanadianTariffFractionCreate, tenant_id: int, company_id: int) -> CanadianTariffFraction:
+        db_obj = CanadianTariffFraction(
+            **obj_in.model_dump(),
+            tenant_id=tenant_id,
+            company_id=company_id
+        )
+        self.db.add(db_obj)
+        self.db.commit()
+        self.db.refresh(db_obj)
+        return db_obj
+
+    def update(
+        self,
+        db_obj: CanadianTariffFraction,
+        obj_in: CanadianTariffFractionUpdate
+    ) -> CanadianTariffFraction:
+        update_data = obj_in.model_dump(exclude_unset=True)
+        for field, value in update_data.items():
+            setattr(db_obj, field, value)
+        self.db.add(db_obj)
+        self.db.commit()
+        self.db.refresh(db_obj)
+        return db_obj
+
+    def delete(self, id: int, tenant_id: int, company_id: int) -> Optional[CanadianTariffFraction]:
+        obj = self.get(id, tenant_id, company_id)
+        if obj:
+            self.db.delete(obj)
+            self.db.commit()
+        return obj
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/models.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/models.py
@@ -4,9 +4,10 @@ from decimal import Decimal
 from sqlalchemy import DateTime, ForeignKey, String, Integer, Numeric, Boolean
 from sqlalchemy.orm import Mapped, mapped_column
 from core.database import Base
+from api.v1.common.base_models import TenantScopedMixin, TimestampMixin


-class HistoricalTariffFraction(Base):
+class HistoricalTariffFraction(Base, TenantScopedMixin, TimestampMixin):
    """
    Historical tariff fractions catalog.
    Maps to SQL Server table: GFraccionesHistorico
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/routes.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/routes.py
@@ -0,0 +1,101 @@
+from typing import List, Optional
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy.orm import Session
+from core.database import get_core_db
+from core.security import get_current_user
+from .service import HistoricalTariffFractionService
+from .schemas import HistoricalTariffFractionResponse, HistoricalTariffFractionCreate, HistoricalTariffFractionUpdate, HistoricalTariffFractionListResponse
+
+from api.v1.common.tenant_crud_routes import validate_access_to_resource
+
+router = APIRouter()
+
+@router.get("/", response_model=HistoricalTariffFractionListResponse)
+def get_historical_fractions(
+    company_id: int = Query(..., description="Company ID"),
+    page: int = Query(1, ge=1, description="Page number"),
+    page_size: int = Query(50, ge=1, le=1000, description="Page size"),
+    historical_fraction: Optional[str] = Query(None, description="Search by historical fraction code"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    """
+    Get all historical tariff fractions (paginated).
+    """
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    skip = (page - 1) * page_size
+    service = HistoricalTariffFractionService(db)
+    items, total = service.get_multi(tenant_id, company_id, skip=skip, limit=page_size, historical_fraction=historical_fraction)
+    return {
+        "items": items,
+        "total": total,
+        "page": page,
+        "page_size": page_size,
+        "pages": (total + page_size - 1) // page_size if page_size > 0 else 1
+    }
+
+@router.get("/{id}", response_model=HistoricalTariffFractionResponse)
+def get_historical_fraction(
+    id: int,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    """
+    Get a historical tariff fraction by ID.
+    """
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = HistoricalTariffFractionService(db)
+    fraction = service.get(id, tenant_id, company_id)
+    if not fraction:
+        raise HTTPException(status_code=404, detail="Historical tariff fraction not found")
+    return fraction
+
+@router.post("/", response_model=HistoricalTariffFractionResponse)
+def create_historical_fraction(
+    fraction_in: HistoricalTariffFractionCreate,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    """
+    Create a new historical tariff fraction.
+    """
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = HistoricalTariffFractionService(db)
+    return service.create(fraction_in, tenant_id, company_id)
+
+@router.put("/{id}", response_model=HistoricalTariffFractionResponse)
+def update_historical_fraction(
+    id: int,
+    fraction_in: HistoricalTariffFractionUpdate,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    """
+    Update a historical tariff fraction.
+    """
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = HistoricalTariffFractionService(db)
+    fraction = service.get(id, tenant_id, company_id)
+    if not fraction:
+        raise HTTPException(status_code=404, detail="Historical tariff fraction not found")
+    return service.update(fraction, fraction_in)
+
+@router.delete("/{id}", response_model=HistoricalTariffFractionResponse)
+def delete_historical_fraction(
+    id: int,
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user = Depends(get_current_user)
+):
+    """
+    Delete a historical tariff fraction.
+    """
+    tenant_id = validate_access_to_resource(db, company_id, current_user)
+    service = HistoricalTariffFractionService(db)
+    fraction = service.get(id, tenant_id, company_id)
+    if not fraction:
+        raise HTTPException(status_code=404, detail="Historical tariff fraction not found")
+    return service.delete(id, tenant_id, company_id)
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/schemas.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/schemas.py
@@ -0,0 +1,45 @@
+
+from typing import Optional, List
+from datetime import datetime
+from decimal import Decimal
+from pydantic import BaseModel, Field
+
+class HistoricalTariffFractionBase(BaseModel):
+    """Base schema for Historical Tariff Fraction"""
+    historical_fraction: Optional[str] = Field(None, max_length=8)
+    unit_of_measure_code: Optional[str] = None
+    country: Optional[str] = None
+    fraction_type: Optional[str] = Field(None, max_length=7)
+    sector: Optional[str] = Field(None, max_length=5)
+    import_tax_rate: Optional[Decimal] = None
+    export_tax_rate: Optional[Decimal] = None
+    publication_date: Optional[datetime] = None
+    is_immex: Optional[bool] = None
+    normal_temporality: Optional[bool] = None
+    services_temporality: Optional[bool] = None
+    certified_temporality: Optional[bool] = None
+    by_log: Optional[bool] = None
+    end_date: Optional[datetime] = None
+
+class HistoricalTariffFractionCreate(HistoricalTariffFractionBase):
+    """Schema for creating a Historical Tariff Fraction"""
+    pass
+
+class HistoricalTariffFractionUpdate(HistoricalTariffFractionBase):
+    """Schema for updating a Historical Tariff Fraction"""
+    pass
+
+class HistoricalTariffFractionResponse(HistoricalTariffFractionBase):
+    """Schema for reading a Historical Tariff Fraction"""
+    id: int
+
+    class Config:
+        from_attributes = True
+
+class HistoricalTariffFractionListResponse(BaseModel):
+    """Schema for paginated list of Historical Tariff Fractions"""
+    items: List[HistoricalTariffFractionResponse]
+    total: int
+    page: int
+    page_size: int
+    pages: int
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/service.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/historical_tariff_fractions/service.py
@@ -0,0 +1,67 @@
+
+from typing import Optional, List, Tuple
+from sqlalchemy import select, or_, func
+from sqlalchemy.orm import Session
+from .models import HistoricalTariffFraction
+from .schemas import HistoricalTariffFractionCreate, HistoricalTariffFractionUpdate
+
+class HistoricalTariffFractionService:
+    def __init__(self, db: Session):
+        self.db = db
+
+    def get(self, id: int, tenant_id: int, company_id: int) -> Optional[HistoricalTariffFraction]:
+        return self.db.query(HistoricalTariffFraction).filter(
+            HistoricalTariffFraction.id == id,
+            HistoricalTariffFraction.tenant_id == tenant_id,
+            HistoricalTariffFraction.company_id == company_id
+        ).first()
+
+    def get_multi(
+        self,
+        tenant_id: int,
+        company_id: int,
+        skip: int = 0,
+        limit: int = 100,
+        historical_fraction: Optional[str] = None
+    ) -> Tuple[List[HistoricalTariffFraction], int]:
+        query = select(HistoricalTariffFraction).where(
+            HistoricalTariffFraction.tenant_id == tenant_id,
+            HistoricalTariffFraction.company_id == company_id
+        )
+        
+        if historical_fraction:
+            query = query.where(HistoricalTariffFraction.historical_fraction.ilike(f"%{historical_fraction}%"))
+            
+        total = self.db.execute(select(func.count()).select_from(query.subquery())).scalar_one()
+        items = self.db.scalars(query.offset(skip).limit(limit)).all()
+        return items, total
+
+    def create(self, obj_in: HistoricalTariffFractionCreate, tenant_id: int, company_id: int) -> HistoricalTariffFraction:
+        db_obj = HistoricalTariffFraction(**obj_in.model_dump())
+        db_obj.tenant_id = tenant_id
+        db_obj.company_id = company_id
+        self.db.add(db_obj)
+        self.db.commit()
+        self.db.refresh(db_obj)
+        return db_obj
+
+    def update(
+        self,
+        db_obj: HistoricalTariffFraction,
+        obj_in: HistoricalTariffFractionUpdate
+    ) -> HistoricalTariffFraction:
+        # db_obj already validated for tenant/company in get()
+        update_data = obj_in.model_dump(exclude_unset=True)
+        for field, value in update_data.items():
+            setattr(db_obj, field, value)
+        self.db.add(db_obj)
+        self.db.commit()
+        self.db.refresh(db_obj)
+        return db_obj
+
+    def delete(self, id: int, tenant_id: int, company_id: int) -> Optional[HistoricalTariffFraction]:
+        obj = self.get(id, tenant_id, company_id)
+        if obj:
+            self.db.delete(obj)
+            self.db.commit()
+        return obj
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/tariff_fractions/routes.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/tariff_fractions/routes.py
@@ -30,6 +30,8 @@ async def list_tariff_fractions(
    page: int = Query(1, ge=1, description="Page number"),
    page_size: int = Query(50, ge=1, le=10000, description="Page size"),
    search: Optional[str] = Query(None, description="Search in code, fraction, description, nico, or umt"),
+    level: Optional[int] = Query(None, description="Filter by hierarchy level (e.g. 5)"),
+    catalog: Optional[str] = Query("mex", description="Catalog source: 'mex' (default) or 'usa'"),
    db: Session = Depends(get_core_db),
    current_user: Dict[str, Any] = Depends(get_current_user),
 ):
@@ -37,13 +39,20 @@ async def list_tariff_fractions(
    filters = {}
    if search:
        filters["search"] = search
+    if level is not None:
+        filters["level"] = level
    
    # Updated to async call with Sitar integration
    # WARNING: Using async def with blocking DB dependency (Session) run in threadpool by FastAPI.
    # Service.get_all calls Sitar (async) or DB (sync).
    # This should be fine.
+    
+    tenant_id = current_user.get("tenant_id")
+    company_id = current_user.get("company_id") # Assuming user is context-aware or we use a default?
+    # If using headers for selected company, it might be in current_user context if middleware sets it.
+    
    items, total = await TariffFractionService.get_all(
-        db, skip, page_size, filters
+        db, skip, page_size, filters, catalog, tenant_id, company_id
    )
    
    return {
@@ -72,3 +81,132 @@ async def get_tariff_fraction(
        raise HTTPException(status_code=404, detail="Tariff fraction not found")
    return TariffFractionResponseDTO.model_validate(item)

+
+@router.post(
+    "/",
+    response_model=TariffFractionResponseDTO,
+    summary="Create Tariff Fraction",
+    description="Create a new tariff fraction (Only supported for 'american' catalog)",
+)
+async def create_tariff_fraction(
+    fraction_data: TariffFractionCreateDTO,
+    catalog: str = Query("mex", description="Catalog source: 'mex', 'usa', or 'american'"),
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user: Dict[str, Any] = Depends(get_current_user),
+):
+    """
+    Crea una nueva fracción.
+    - MEX/USA: No permitido (Read-Only)
+    - AMERICAN: Permitido (Local DB)
+    """
+    from fastapi import HTTPException
+    
+    tenant_id = current_user.get("tenant_id")
+    
+    if catalog == "american":
+        from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.service import USTariffFractionService
+        from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.dto import USTariffFractionCreateDTO
+        import re
+
+        # Map generic DTO to US DTO
+        ad_valorem = None
+        if fraction_data.adv_impo:
+            try:
+                # remove non-numeric chars except dot
+                clean = re.sub(r'[^\d.]', '', fraction_data.adv_impo)
+                if clean:
+                    ad_valorem = float(clean)
+            except:
+                pass
+        
+        us_dto = USTariffFractionCreateDTO(
+            code=fraction_data.code,
+            description=fraction_data.description,
+            unit_of_measure=fraction_data.umt,
+            ad_valorem=ad_valorem,
+            # Defaults for others
+            prefix=None,
+            type_code=None,
+            fixed_cost=None
+        )
+        
+        created = USTariffFractionService.create(db, tenant_id, company_id, us_dto)
+        return TariffFractionService.to_domain_usa_local(created)
+    
+    else:
+        raise HTTPException(status_code=400, detail=f"Creation not allowed for '{catalog}' catalog (Read-Only)")
+
+
+@router.put(
+    "/{tariff_fraction_id}",
+    response_model=TariffFractionResponseDTO,
+    summary="Update Tariff Fraction",
+    description="Update a tariff fraction (Only supported for 'american' catalog)",
+)
+async def update_tariff_fraction(
+    tariff_fraction_id: int,
+    fraction_data: TariffFractionUpdateDTO,
+    catalog: str = Query("mex", description="Catalog source: 'mex', 'usa', or 'american'"), 
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user: Dict[str, Any] = Depends(get_current_user),
+):
+    from fastapi import HTTPException
+    
+    tenant_id = current_user.get("tenant_id")
+    
+    if catalog == "american":
+        from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.service import USTariffFractionService
+        from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.dto import USTariffFractionUpdateDTO
+        import re
+
+        ad_valorem = None
+        if fraction_data.adv_impo:
+            try:
+                clean = re.sub(r'[^\d.]', '', fraction_data.adv_impo)
+                if clean:
+                    ad_valorem = float(clean)
+            except:
+                pass
+        
+        us_dto = USTariffFractionUpdateDTO(
+            description=fraction_data.description,
+            unit_of_measure=fraction_data.umt,
+            ad_valorem=ad_valorem
+        )
+        
+        updated = USTariffFractionService.update(db, tenant_id, company_id, tariff_fraction_id, us_dto)
+        if not updated:
+             raise HTTPException(status_code=404, detail="US Tariff fraction not found")
+        return TariffFractionService.to_domain_usa_local(updated)
+
+    else:
+         raise HTTPException(status_code=400, detail=f"Update not allowed for '{catalog}' catalog (Read-Only)")
+
+
+@router.delete(
+    "/{tariff_fraction_id}",
+    summary="Delete Tariff Fraction",
+    description="Delete a tariff fraction (Only supported for 'american' catalog)",
+)
+async def delete_tariff_fraction(
+    tariff_fraction_id: int,
+    catalog: str = Query("mex", description="Catalog source: 'mex', 'usa', or 'american'"),
+    company_id: int = Query(..., description="Company ID"),
+    db: Session = Depends(get_core_db),
+    current_user: Dict[str, Any] = Depends(get_current_user),
+):
+    from fastapi import HTTPException
+    tenant_id = current_user.get("tenant_id")
+    
+    if catalog == "american":
+        from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.service import USTariffFractionService
+        success = USTariffFractionService.delete(db, tenant_id, company_id, tariff_fraction_id)
+        if not success:
+             raise HTTPException(status_code=404, detail="US Tariff fraction not found")
+        return {"ok": True}
+    
+    else:
+        raise HTTPException(status_code=400, detail=f"Delete not allowed for '{catalog}' catalog (Read-Only)")
+
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/tariff_fractions/service.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/tariff_fractions/service.py
@@ -14,6 +14,8 @@ from .models import TariffFraction
 from .dto import TariffFractionCreateDTO, TariffFractionUpdateDTO
 from api.v1.modules.sitar.fracciones.service import FraccionesService
 from api.v1.modules.sitar.fracciones.schemas import FraccionesResponse
+from api.v1.modules.sitar.fracciones_usa.service import FraccionesUSAService
+from api.v1.modules.sitar.fracciones_usa.schemas import FraccionesUSAResponse

 logger = logging.getLogger(__name__)

@@ -68,30 +70,117 @@ class TariffFractionMapper:
        
        return tf

+    @staticmethod
+    def to_domain_usa(item: FraccionesUSAResponse) -> TariffFraction:
+        """Map US Fraction to Domain"""
+        return TariffFraction(
+            id=item.CONSECUTIVO,
+            code=item.FRACCION_SIN_PUNTO or "",
+            fraction=item.FRACCION_CON_PUNTO or "",
+            description=item.DESCRIPCION or "(Sin descripción)",
+            nico=None,  # Not applicable
+            umt=item.UNIDADCANTIDAD,
+            adv_impo=item.TARIFA1,
+            adv_expo=item.TARIFA2
+        )
+

 class TariffFractionService:
    """Service para gestionar fracciones arancelarias (catálogo global)"""

+
+    @staticmethod
+    def to_domain_usa_local(item: Any) -> TariffFraction:
+        """Map Local US Fraction (ORM) to Domain"""
+        # Formatter helper (simple logic: add dots every 2/4 chars? or just return as is?)
+        # US format: 1234.56.78.90. For now return as is or use helper if available.
+        # item is USTariffFraction (imported inside method to avoid circular import if needed, or assumed available)
+        
+        return TariffFraction(
+            id=item.id,
+            code=item.code,
+            fraction=item.code, # TODO: Format if needed
+            description=item.description or "(Sin descripción)",
+            nico=None,
+            umt=item.unit_of_measure,
+            adv_impo=str(item.ad_valorem) if item.ad_valorem is not None else None,
+            adv_expo=None
+        )
+
    @staticmethod
    async def get_all(
        db: Session,
        skip: int = 0,
        limit: int = 100,
        filters: Optional[Dict[str, Any]] = None,
+        catalog: str = "mex",
+        tenant_id: Optional[int] = None,
+        company_id: Optional[int] = None,
    ) -> Tuple[List[TariffFraction], int]:
        """
        Obtiene fracciones arancelarias.
-        Estrategia: Sitar API -> Fallback Local DB
+        Estrategia: 
+        - MEX: Sitar API -> Fallback Local DB
+        - USA: Local DB (Defined by user requirement)
        """
        
-        # 1. Try Sitar API
+        # AMERICAN CATALOG HANDLING (LOCAL - 'Fracciones Americanas')
+        if catalog == "american":
+            if tenant_id is None or company_id is None:
+                logger.warning("Solicitud de fracciones Americanas sin tenant/company ID")
+                return [], 0
+                
+            from api.v1.modules.a76.general_catalogs.fractions.us_tariff_fractions.service import USTariffFractionService
+            
+            # Use local service directly
+            usa_items, total = USTariffFractionService._get_all_local(
+                db, tenant_id, company_id, skip, limit, filters
+            )
+            
+            items = [TariffFractionMapper.to_domain_usa_local(item) for item in usa_items]
+            return items, total
+
+        # USA CATALOG HANDLING (API - 'Fracciones US')
+        if catalog == "usa":
+            try:
+                usa_service = FraccionesUSAService.get_instance()
+                search_term = None
+                if filters and filters.get("search"):
+                     search_term = filters["search"]
+                
+                # USA Service search signature: fraccion, skip, limit
+                usa_items = await usa_service.search(
+                    fraccion=search_term,
+                    skip=skip,
+                    limit=limit
+                )
+                
+                items = [TariffFractionMapper.to_domain_usa(item) for item in usa_items]
+                total = len(items) + skip
+                if len(items) == limit:
+                     total += 1
+                return items, total
+            except Exception as e:
+                logger.error(f"Error fetching USA fractions (API): {e}")
+                # Return empty list on error as per requirement (since API is broken)
+                return [], 0
+
+        # MEX (SITAR) CATALOG HANDLING
        try:
            sitar_service = FraccionesService.get_instance()
            
            # Map filters
            sitar_fraccion = None
            sitar_nico = None
-            has_filters = False
+            
+            # Default level logic
+            level_filter = 5 # Default legacy
+            if filters and filters.get("level") is not None:
+                level_filter = filters["level"]
+            
+            # Allow disabling level filter explicitly
+            if level_filter == -1:
+                level_filter = None
            
            if filters:
                if filters.get("search"):
@@ -101,7 +190,6 @@ class TariffFractionService:
                    clean_term = term.replace(".", "")
                    if clean_term and clean_term[0].isdigit():
                       sitar_fraccion = clean_term
-                       has_filters = True
                    else:
                        # Attempt description search via API first
                        logger.info(f"Search term '{term}' identified as text. Attempting API description search.")
@@ -109,13 +197,10 @@ class TariffFractionService:
                
                if filters.get("code"):
                     sitar_fraccion = filters["code"]
-                     has_filters = True
                if filters.get("fraction"):
                     sitar_fraccion = filters["fraction"] 
-                     has_filters = True
                if filters.get("nico"):
                     sitar_nico = filters["nico"]
-                     has_filters = True

            # Determine description filter
            sitar_description = None
@@ -124,7 +209,6 @@ class TariffFractionService:
                 clean_term = filters["search"].replace(".", "")
                 if not (clean_term and clean_term[0].isdigit()):
                     sitar_description = filters["search"]
-                     has_filters = True

            # Note: Sitar search might not return total count. 
            # We fetch page items. Pagination might be tricky if Sitar doesn't return total.
@@ -133,7 +217,7 @@ class TariffFractionService:
                fraccion=sitar_fraccion,
                nico=sitar_nico,
                description=sitar_description,
-                nivel=5,  # User requested filtering by level 5
+                nivel=level_filter,  # Dynamic level
                skip=skip,
                limit=limit
            )
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/us_tariff_fractions/models.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/us_tariff_fractions/models.py
@@ -9,9 +9,10 @@ from sqlalchemy import String, Numeric, TIMESTAMP, func
 from sqlalchemy.orm import Mapped, mapped_column

 from core.database import Base
+from api.v1.common.base_models import TenantScopedMixin, TimestampMixin


-class USTariffFraction(Base):
+class USTariffFraction(Base, TenantScopedMixin, TimestampMixin):
    """Modelo para fracciones arancelarias americanas (US HTS codes)"""

    __tablename__ = "us_tariff_fractions"
@@ -20,10 +21,6 @@ class USTariffFraction(Base):
    # Primary Key
    id: Mapped[int] = mapped_column(primary_key=True, index=True)

-    # Tenant/Company
-    tenant_id: Mapped[int] = mapped_column(index=True, nullable=False)
-    company_id: Mapped[int] = mapped_column(index=True, nullable=False)
-
    # Datos principales
    code: Mapped[str] = mapped_column(
        String(16), nullable=False, comment="Código de fracción americana"
@@ -47,16 +44,5 @@ class USTariffFraction(Base):
        String, comment="Descripción de la fracción"
    )

-    # Timestamps
-    created_at: Mapped[datetime] = mapped_column(
-        TIMESTAMP(timezone=True), server_default=func.now(), nullable=False
-    )
-    updated_at: Mapped[datetime] = mapped_column(
-        TIMESTAMP(timezone=True),
-        server_default=func.now(),
-        onupdate=func.now(),
-        nullable=False,
-    )
-
    def __repr__(self):
        return f"<USTariffFraction {self.code}>"
--- a/backend/api/v1/modules/a76/general_catalogs/router.py
+++ b/backend/api/v1/modules/a76/general_catalogs/router.py
@@ -6,6 +6,8 @@ from .packages.routes import router as package_router
 from .ports.routes import router as ports_router
 from .fractions.tariff_fractions.routes import router as tariff_fractions_router
 from .fractions.us_tariff_fractions.routes import router as us_tariff_fractions_router
+from .fractions.historical_tariff_fractions.routes import router as historical_tariff_fractions_router
+from .fractions.canadian_tariff_fractions.routes import router as canadian_tariff_fractions_router
 from .depreciation_catalog.routes import router as depreciation_catalog_router
 from .fda_catalog.routes import router as fda_catalog_router
 from .seal.routes import router as seal_router
@@ -31,6 +33,8 @@ router.include_router(package_router)
 router.include_router(ports_router)
 router.include_router(tariff_fractions_router)
 router.include_router(us_tariff_fractions_router)
+router.include_router(historical_tariff_fractions_router, prefix="/fractions/historical-tariff-fractions", tags=["a76 / historical_tariff_fractions"])
+router.include_router(canadian_tariff_fractions_router, prefix="/fractions/canadian-tariff-fractions", tags=["a76 / canadian_tariff_fractions"])
 router.include_router(depreciation_catalog_router)
 router.include_router(fda_catalog_router)
 router.include_router(seal_router,  tags=["a76 / seal"])
--- a/backend/api/v1/modules/public/reference_data/sectors/dto.py
+++ b/backend/api/v1/modules/public/reference_data/sectors/dto.py
@@ -4,6 +4,6 @@ from pydantic import BaseModel, ConfigDict, Field
 class SectorDTO(BaseModel):
    key: str = Field(..., min_length=1, max_length=8)
    description: str
-    authorized: int
+    authorized: bool

    model_config = ConfigDict(from_attributes=True)
--- a/backend/api/v1/modules/public/reference_data/sectors/routes.py
+++ b/backend/api/v1/modules/public/reference_data/sectors/routes.py
@@ -1,8 +1,10 @@
-from typing import Any, Dict
+
+from typing import Any, Dict, Optional

 from core.database import get_core_db
-from core.security import get_current_user, has_role
+from core.security import get_current_user
 from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy import or_
 from sqlalchemy.orm import Session

 from .dto import SectorDTO
@@ -15,13 +17,23 @@ router = APIRouter(prefix="/sectors")
 def list_sectors(
    page: int = Query(1, ge=1, description="Número de página"),
    page_size: int = Query(50, ge=1, le=100, description="Tamaño de página"),
+    search: Optional[str] = Query(None, description="Término de búsqueda"),
    db: Session = Depends(get_core_db),
    current_user: dict = Depends(get_current_user),
 ):
    skip = (page - 1) * page_size
    query = db.query(Sector)
-    items = query.offset(skip).limit(page_size).all()
+    
+    if search:
+        search_filter = or_(
+            Sector.key.ilike(f"%{search}%"),
+            Sector.description.ilike(f"%{search}%")
+        )
+        query = query.filter(search_filter)
+        
    total = query.count()
+    items = query.offset(skip).limit(page_size).all()
+    
    return {
        "items": [SectorDTO.model_validate(obj) for obj in items],
        "total": total,
@@ -40,47 +52,3 @@ def get_sector(
    if not obj:
        raise HTTPException(status_code=404, detail="Not found")
    return obj
-
-
-@router.post("/", response_model=SectorDTO, status_code=201)
-def create_sector(
-    data: SectorDTO,
-    db: Session = Depends(get_core_db),
-    current_user: dict = Depends(has_role("admin")),
-):
-    obj = Sector(**data.dict())
-    db.add(obj)
-    db.commit()
-    db.refresh(obj)
-    return obj
-
-
-@router.put("/{key}", response_model=SectorDTO)
-def update_sector(
-    key: str,
-    data: SectorDTO,
-    db: Session = Depends(get_core_db),
-    current_user: dict = Depends(has_role("admin")),
-):
-    obj = db.query(Sector).filter(Sector.key == key).first()
-    if not obj:
-        raise HTTPException(status_code=404, detail="Not found")
-    for field, value in data.dict().items():
-        setattr(obj, field, value)
-    db.commit()
-    db.refresh(obj)
-    return obj
-
-
-@router.delete("/{key}", status_code=204)
-def delete_sector(
-    key: str,
-    db: Session = Depends(get_core_db),
-    current_user: dict = Depends(has_role("admin")),
-):
-    obj = db.query(Sector).filter(Sector.key == key).first()
-    if not obj:
-        raise HTTPException(status_code=404, detail="Not found")
-    db.delete(obj)
-    db.commit()
-    return None
--- a/backend/api/v1/modules/sitar/fracciones_usa/schemas.py
+++ b/backend/api/v1/modules/sitar/fracciones_usa/schemas.py
@@ -11,7 +11,7 @@ class FraccionesUSAResponse(BaseModel):
    FRACCION_CON_PUNTO: Optional[str] = None
    FRACCION_MOSTRAR: Optional[str] = None
    ESPECIFICO: Optional[str] = None
-    NIVEL: Optional[str] = None
+    NIVEL: Optional[int] = None
    DESCRIPCION: Optional[str] = None
    UNIDADCANTIDAD: Optional[str] = None
    TARIFA1: Optional[str] = None
--- a/backend/api/v1/modules/sitar/fracciones_usa/service.py
+++ b/backend/api/v1/modules/sitar/fracciones_usa/service.py
@@ -1,10 +1,11 @@
 """Fracciones USA Service"""

-from typing import Optional, List
+from typing import Optional, List, Dict, Any
 from ..common import SitarAPIBaseService
 from .schemas import FraccionesUSAResponse


+
 class FraccionesUSAService(SitarAPIBaseService):
    """Service for USA Fracciones operations"""

@@ -28,10 +29,10 @@ class FraccionesUSAService(SitarAPIBaseService):
        if fraccion:
            params["fraccion"] = fraccion

-        data = await self._make_request("GET", "/api/v1/fracciones-usa/", params=params)
+        data = await self._make_request("GET", "api/v1/fracciones-usa/", params=params)
        return [FraccionesUSAResponse(**item) for item in data]

    async def get_by_id(self, consecutivo: int) -> FraccionesUSAResponse:
        """Get single USA Fraccion record by CONSECUTIVO"""
-        data = await self._make_request("GET", f"/api/v1/fracciones-usa/{consecutivo}")
+        data = await self._make_request("GET", f"api/v1/fracciones-usa/{consecutivo}")
        return FraccionesUSAResponse(**data)
--- a/backend/api/v1/router.py
+++ b/backend/api/v1/router.py
@@ -21,7 +21,7 @@ router.include_router(core_router)
 router.include_router(a76_router)
 router.include_router(a24_router)
 router.include_router(public_router)
-router.include_router(sitar_router)
+router.include_router(sitar_router, prefix="/sitar")


 # Health check
--- a/frontend/src/lib/api/dashboard/a76/general_catalogs/historical-tariff-fractions.ts
+++ b/frontend/src/lib/api/dashboard/a76/general_catalogs/historical-tariff-fractions.ts
@@ -0,0 +1,47 @@
+import { api } from '$lib/api';
+import type { ApiResponse } from '$lib/api';
+
+export interface HistoricalFraction {
+    id: number;
+    historical_fraction: string | null;
+    unit_of_measure_code: string | null;
+    country: string | null;
+    fraction_type: string | null;
+    sector: string | null;
+    import_tax_rate: number | null;
+    export_tax_rate: number | null;
+    publication_date: string | null;
+    is_immex: boolean | null;
+    normal_temporality: boolean | null;
+    services_temporality: boolean | null;
+    certified_temporality: boolean | null;
+    by_log: boolean | null;
+    end_date: string | null;
+}
+
+export interface HistoricalFractionList {
+    items: HistoricalFraction[];
+    total: number;
+    page: number;
+    page_size: number;
+    pages: number;
+}
+
+export async function getHistoricalFractions(
+    companyId: number,
+    historicalFraction?: string,
+    page = 1,
+    pageSize = 50
+): Promise<HistoricalFractionList> {
+    const params = new URLSearchParams({
+        company_id: companyId.toString(),
+        page: page.toString(),
+        page_size: pageSize.toString()
+    });
+
+    if (historicalFraction) params.append('historical_fraction', historicalFraction);
+
+    const response = await api.get<HistoricalFractionList>(`/v1/a76/general_catalogs/fractions/historical-tariff-fractions/?${params.toString()}`);
+    if (!response.data) throw new Error('Error fetching historical fractions');
+    return response.data;
+}
--- a/frontend/src/lib/api/dashboard/a76/general_catalogs/tariff-fractions.ts
+++ b/frontend/src/lib/api/dashboard/a76/general_catalogs/tariff-fractions.ts
@@ -69,22 +69,33 @@ export async function getTariffFractionById(

 export async function createTariffFraction(
 	data: TariffFractionCreate,
-	companyId: number
+	companyId: number,
+	catalog = 'mex'
 ): Promise<ApiResponse<TariffFraction>> {
-	return await api.post(`/v1/a76/tariff-fractions/?company_id=${companyId}`, data);
+	return await api.post(
+		`/v1/a76/tariff-fractions/?company_id=${companyId}&catalog=${catalog}`,
+		data
+	);
 }

 export async function updateTariffFraction(
 	id: number,
 	data: TariffFractionUpdate,
-	companyId: number
+	companyId: number,
+	catalog = 'mex'
 ): Promise<ApiResponse<TariffFraction>> {
-	return await api.put(`/v1/a76/tariff-fractions/${id}/?company_id=${companyId}`, data);
+	return await api.put(
+		`/v1/a76/tariff-fractions/${id}/?company_id=${companyId}&catalog=${catalog}`,
+		data
+	);
 }

 export async function deleteTariffFraction(
 	id: number,
-	companyId: number
+	companyId: number,
+	catalog = 'mex'
 ): Promise<ApiResponse<void>> {
-	return await api.delete(`/v1/a76/tariff-fractions/${id}/?company_id=${companyId}`);
+	return await api.delete(
+		`/v1/a76/tariff-fractions/${id}/?company_id=${companyId}&catalog=${catalog}`
+	);
 }
--- a/frontend/src/lib/api/dashboard/general_catalogs/canadian.ts
+++ b/frontend/src/lib/api/dashboard/general_catalogs/canadian.ts
@@ -0,0 +1,77 @@
+
+import { api } from '$lib/api';
+
+export interface CanadianFraction {
+    id: number;
+    fraction: string;
+    ad_valorem: number | null;
+    unit_of_measure: string | null;
+    country_code: string;
+    description: string | null;
+    created_at: string;
+    updated_at: string;
+}
+
+export interface CanadianFractionList {
+    items: CanadianFraction[];
+    total: number;
+    page: number;
+    page_size: number;
+    pages: number;
+}
+
+export interface CanadianFractionCreate {
+    fraction: string;
+    ad_valorem?: number;
+    unit_of_measure?: string;
+    country_code: string;
+    description?: string;
+}
+
+export interface CanadianFractionUpdate {
+    fraction?: string;
+    ad_valorem?: number;
+    unit_of_measure?: string;
+    country_code?: string;
+    description?: string;
+}
+
+const BASE_URL = '/v1/a76/fractions/canadian-tariff-fractions/';
+
+export async function getCanadianFractions(
+    companyId: number,
+    page = 1,
+    pageSize = 50,
+    search?: string
+): Promise<CanadianFractionList> {
+    const params = new URLSearchParams({
+        company_id: companyId.toString(),
+        page: page.toString(),
+        page_size: pageSize.toString()
+    });
+
+    if (search) params.append('search', search);
+
+    const response = await api.get<CanadianFractionList>(`${BASE_URL}?${params.toString()}`);
+    if (!response.data) throw new Error('Error fetching Canadian fractions');
+    return response.data;
+}
+
+export async function createCanadianFraction(companyId: number, data: CanadianFractionCreate): Promise<CanadianFraction> {
+    const params = new URLSearchParams({ company_id: companyId.toString() });
+    const response = await api.post<CanadianFraction>(`${BASE_URL}?${params.toString()}`, data);
+    if (!response.data) throw new Error('Error creating Canadian fraction');
+    return response.data;
+}
+
+export async function updateCanadianFraction(companyId: number, id: number, data: CanadianFractionUpdate): Promise<CanadianFraction> {
+    const params = new URLSearchParams({ company_id: companyId.toString() });
+    const response = await api.put<CanadianFraction>(`${BASE_URL}${id}?${params.toString()}`, data);
+    if (!response.data) throw new Error('Error updating Canadian fraction');
+    return response.data;
+}
+
+export async function deleteCanadianFraction(companyId: number, id: number): Promise<void> {
+    const params = new URLSearchParams({ company_id: companyId.toString() });
+    await api.delete(`${BASE_URL}${id}?${params.toString()}`);
+}
--- a/frontend/src/lib/api/dashboard/general_catalogs/sectors.ts
+++ b/frontend/src/lib/api/dashboard/general_catalogs/sectors.ts
@@ -0,0 +1,35 @@
+
+import { api } from '$lib/api';
+import type { ApiResponse } from '$lib/api';
+
+export interface Sector {
+    key: string;
+    description: string;
+    authorized: boolean;
+}
+
+export interface SectorListResponse {
+    items: Sector[];
+    total: number;
+    page: number;
+    page_size: number;
+}
+
+export async function getSectors(
+    page = 1,
+    pageSize = 50,
+    search?: string
+): Promise<SectorListResponse> {
+    const params = new URLSearchParams({
+        page: page.toString(),
+        page_size: pageSize.toString()
+    });
+
+    if (search) {
+        params.append('search', search);
+    }
+
+    const response = await api.get<SectorListResponse>(`/v1/public/reference_data/sectors/?${params.toString()}`);
+    if (!response.data) throw new Error('Error fetching sectors');
+    return response.data;
+}
--- a/frontend/src/lib/components/dashboard/general_catalogs/sectors/SectorsList.svelte
+++ b/frontend/src/lib/components/dashboard/general_catalogs/sectors/SectorsList.svelte
@@ -0,0 +1,153 @@
+<script lang="ts">
+	import { Input } from '$lib/components/ui/input';
+	import { Button } from '$lib/components/ui/button';
+	import * as Table from '$lib/components/ui/table';
+	import * as Card from '$lib/components/ui/card';
+	import { onMount } from 'svelte';
+	import { toast } from 'svelte-sonner';
+	import { getSectors, type Sector } from '$lib/api/dashboard/general_catalogs/sectors';
+	import { Loader2, Search } from 'lucide-svelte';
+	import Badge from '$lib/components/ui/badge/badge.svelte';
+
+	export let title = 'Sectores';
+
+	let sectors: Sector[] = [];
+	let loading = false;
+	let searchTerm = '';
+	let page = 1;
+	let pageSize = 50;
+	let hasMore = true;
+	let total = 0;
+
+	async function loadSectors(reset = false) {
+		if (loading || (!hasMore && !reset)) return;
+		loading = true;
+
+		if (reset) {
+			page = 1;
+			sectors = [];
+			hasMore = true;
+		}
+
+		try {
+			const response = await getSectors(page, pageSize, searchTerm || undefined);
+
+			if (response.items.length === 0) {
+				hasMore = false;
+			} else {
+				sectors = reset ? response.items : [...sectors, ...response.items];
+				total = response.total;
+				hasMore = sectors.length < total;
+				if (sectors.length >= total) hasMore = false;
+			}
+		} catch (error) {
+			console.error('Error loading sectors:', error);
+			toast.error('Error al cargar sectores');
+		} finally {
+			loading = false;
+		}
+	}
+
+	function handleSearch() {
+		loadSectors(true);
+	}
+
+	function handleLoadMore() {
+		if (!loading && hasMore) {
+			page++;
+			loadSectors();
+		}
+	}
+
+	onMount(() => {
+		loadSectors(true);
+	});
+</script>
+
+<div class="space-y-4">
+	<div class="flex items-center justify-between">
+		<h2 class="text-3xl font-bold tracking-tight">{title}</h2>
+	</div>
+
+	<Card.Root>
+		<Card.Header>
+			<div class="flex w-full items-center gap-4">
+				<div class="relative flex-1">
+					<Search class="absolute top-2.5 left-2.5 h-4 w-4 text-muted-foreground" />
+					<Input
+						placeholder="Buscar por clave o descripción..."
+						class="pl-8"
+						bind:value={searchTerm}
+						onkeydown={(e) => e.key === 'Enter' && handleSearch()}
+					/>
+				</div>
+				<Button onclick={handleSearch} disabled={loading}>
+					{#if loading && page === 1}
+						<Loader2 class="mr-2 h-4 w-4 animate-spin" />
+					{/if}
+					Buscar
+				</Button>
+			</div>
+		</Card.Header>
+		<Card.Content>
+			<div class="rounded-md border">
+				<Table.Root>
+					<Table.Header>
+						<Table.Row>
+							<Table.Head class="w-[100px]">Clave</Table.Head>
+							<Table.Head>Descripción</Table.Head>
+							<Table.Head class="text-right">Estatus</Table.Head>
+						</Table.Row>
+					</Table.Header>
+					<Table.Body>
+						{#if loading && page === 1}
+							<Table.Row>
+								<Table.Cell colspan={3} class="h-24 text-center">
+									<div class="flex justify-center">
+										<Loader2 class="h-6 w-6 animate-spin" />
+									</div>
+								</Table.Cell>
+							</Table.Row>
+						{:else if sectors.length === 0}
+							<Table.Row>
+								<Table.Cell colspan={3} class="h-24 text-center">
+									No se encontraron sectores.
+								</Table.Cell>
+							</Table.Row>
+						{:else}
+							{#each sectors as sector}
+								<Table.Row>
+									<Table.Cell class="font-medium">{sector.key}</Table.Cell>
+									<Table.Cell>{sector.description}</Table.Cell>
+									<Table.Cell class="text-right">
+										{#if sector.authorized}
+											<Badge variant="default">Autorizado</Badge>
+										{:else}
+											<Badge variant="secondary">No Autorizado</Badge>
+										{/if}
+									</Table.Cell>
+								</Table.Row>
+							{/each}
+						{/if}
+					</Table.Body>
+				</Table.Root>
+			</div>
+
+			<div class="mt-4 flex flex-col items-center gap-2">
+				<div class="text-xs text-muted-foreground">
+					Mostrando {sectors.length} de {total} registros
+				</div>
+				{#if hasMore}
+					<Button variant="outline" onclick={handleLoadMore} disabled={loading}>
+						{#if loading}
+							<Loader2 class="mr-2 h-4 w-4 animate-spin" />
+							Cargando...
+						{:else}
+							Cargar más
+						{/if}
+					</Button>
+				{/if}
+			</div>
+		</Card.Content>
+	</Card.Root>
+</div>
--- a/frontend/src/lib/components/dashboard/goods/fractions/CanadianFractionList.svelte
+++ b/frontend/src/lib/components/dashboard/goods/fractions/CanadianFractionList.svelte
@@ -0,0 +1,155 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import {
+		getCanadianFractions,
+		type CanadianFraction
+	} from '$lib/api/dashboard/general_catalogs/canadian';
+	import * as Table from '$lib/components/ui/table';
+	import { Input } from '$lib/components/ui/input';
+	import { Button } from '$lib/components/ui/button';
+	import { Search, Loader2 } from 'lucide-svelte';
+	import { toast } from 'svelte-sonner';
+
+	import { companyStore } from '$lib/stores/company.svelte';
+
+	let fractions: CanadianFraction[] = [];
+	let loading = false;
+	let searchQuery = '';
+	let page = 1;
+	let totalItems = 0;
+	let totalPages = 0;
+	let pageSize = 50;
+
+	async function loadFractions(targetPage = 1) {
+		const companyId = companyStore.activeCompany?.id;
+		if (!companyId) return;
+
+		loading = true;
+		page = targetPage;
+
+		try {
+			const response = await getCanadianFractions(
+				companyId,
+				page,
+				pageSize,
+				searchQuery || undefined
+			);
+			fractions = response.items;
+			totalItems = response.total;
+			totalPages = response.pages;
+		} catch (error) {
+			console.error('Error loading Canadian fractions:', error);
+			toast.error('Error al cargar fracciones canadienses');
+		} finally {
+			loading = false;
+		}
+	}
+
+	function handleSearch() {
+		loadFractions(1);
+	}
+
+	function handleKeyDown(event: KeyboardEvent) {
+		if (event.key === 'Enter') {
+			handleSearch();
+		}
+	}
+
+	onMount(() => {
+		if (companyStore.activeCompany) {
+			loadFractions(1);
+		}
+	});
+
+	$effect(() => {
+		if (companyStore.activeCompany?.id) {
+			loadFractions(1);
+		}
+	});
+</script>
+
+<div class="space-y-4">
+	<div class="flex flex-col gap-4 md:flex-row">
+		<div class="flex-1">
+			<label for="search-fraction" class="mb-2 block text-sm font-medium">Buscar</label>
+			<div class="relative">
+				<Search class="absolute top-2.5 left-2.5 h-4 w-4 text-muted-foreground" />
+				<Input
+					id="search-fraction"
+					type="text"
+					placeholder="Buscar por fracción o descripción..."
+					class="pl-9"
+					bind:value={searchQuery}
+					onkeydown={handleKeyDown}
+				/>
+			</div>
+		</div>
+		<div class="flex items-end">
+			<Button onclick={handleSearch} disabled={loading}>Buscar</Button>
+		</div>
+	</div>
+
+	<div class="rounded-md border">
+		<Table.Root>
+			<Table.Header>
+				<Table.Row>
+					<Table.Head>Fracción</Table.Head>
+					<Table.Head>Descripción</Table.Head>
+					<Table.Head>País</Table.Head>
+					<Table.Head>Unidad</Table.Head>
+					<Table.Head class="text-right">ADV</Table.Head>
+				</Table.Row>
+			</Table.Header>
+			<Table.Body>
+				{#if loading}
+					<Table.Row>
+						<Table.Cell colspan={5} class="h-24 text-center">
+							<div class="flex justify-center">
+								<Loader2 class="h-6 w-6 animate-spin" />
+							</div>
+						</Table.Cell>
+					</Table.Row>
+				{:else if fractions.length === 0}
+					<Table.Row>
+						<Table.Cell colspan={5} class="h-24 text-center"
+							>No se encontraron resultados</Table.Cell
+						>
+					</Table.Row>
+				{:else}
+					{#each fractions as fraction}
+						<Table.Row>
+							<Table.Cell class="font-medium">{fraction.fraction}</Table.Cell>
+							<Table.Cell>{fraction.description || '-'}</Table.Cell>
+							<Table.Cell>{fraction.country_code}</Table.Cell>
+							<Table.Cell>{fraction.unit_of_measure || '-'}</Table.Cell>
+							<Table.Cell class="text-right">{fraction.ad_valorem ?? '-'}</Table.Cell>
+						</Table.Row>
+					{/each}
+				{/if}
+			</Table.Body>
+		</Table.Root>
+	</div>
+
+	<!-- Pagination -->
+	<div class="flex items-center justify-end space-x-2 py-4">
+		<Button
+			variant="outline"
+			size="sm"
+			onclick={() => loadFractions(page - 1)}
+			disabled={page === 1 || loading}
+		>
+			Anterior
+		</Button>
+		<div class="text-sm text-muted-foreground">
+			Página {page} de {totalPages || 1}
+		</div>
+		<Button
+			variant="outline"
+			size="sm"
+			onclick={() => loadFractions(page + 1)}
+			disabled={page >= totalPages || loading}
+		>
+			Siguiente
+		</Button>
+	</div>
+</div>
--- a/frontend/src/lib/components/dashboard/goods/fractions/HistoricalFractionList.svelte
+++ b/frontend/src/lib/components/dashboard/goods/fractions/HistoricalFractionList.svelte
@@ -0,0 +1,169 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import {
+		getHistoricalFractions,
+		type HistoricalFraction
+	} from '$lib/api/dashboard/a76/general_catalogs/historical-tariff-fractions';
+	import * as Table from '$lib/components/ui/table';
+	import { Input } from '$lib/components/ui/input';
+	import { Button } from '$lib/components/ui/button';
+	import { Search, Loader2 } from 'lucide-svelte';
+	import { toast } from 'svelte-sonner';
+
+	import { companyStore } from '$lib/stores/company.svelte';
+
+	let fractions = $state<HistoricalFraction[]>([]);
+	let loading = $state(false);
+	let historicalFraction = $state('');
+	let page = $state(1);
+	let totalItems = $state(0);
+	let totalPages = $state(0);
+	let pageSize = 50;
+
+	async function loadFractions(targetPage = 1) {
+		const companyId = companyStore.activeCompany?.id;
+		if (!companyId) return;
+
+		loading = true;
+		page = targetPage;
+
+		try {
+			const response = await getHistoricalFractions(
+				companyId,
+				historicalFraction || undefined,
+				page,
+				pageSize
+			);
+			fractions = response.items;
+			totalItems = response.total;
+			totalPages = response.pages;
+		} catch (error) {
+			console.error('Error loading historical fractions:', error);
+			toast.error('Error al cargar fracciones históricas');
+		} finally {
+			loading = false;
+		}
+	}
+
+	function handleSearch() {
+		loadFractions(1);
+	}
+
+	function handleKeyDown(event: KeyboardEvent) {
+		if (event.key === 'Enter') {
+			handleSearch();
+		}
+	}
+
+	onMount(() => {
+		if (companyStore.activeCompany?.id) {
+			loadFractions(1);
+		}
+	});
+
+	$effect(() => {
+		if (companyStore.activeCompany?.id) {
+			loadFractions(1);
+		}
+	});
+</script>
+
+<div class="space-y-4">
+	<div class="flex flex-col gap-4 md:flex-row">
+		<div class="flex-1">
+			<label for="search-fraction" class="mb-2 block text-sm font-medium">Fracción Histórica</label>
+			<div class="relative">
+				<Search class="absolute top-2.5 left-2.5 h-4 w-4 text-muted-foreground" />
+				<Input
+					id="search-fraction"
+					type="text"
+					placeholder="Buscar fracción..."
+					class="pl-9"
+					bind:value={historicalFraction}
+					onkeydown={handleKeyDown}
+				/>
+			</div>
+		</div>
+		<div class="flex items-end">
+			<Button onclick={handleSearch} disabled={loading}>Buscar</Button>
+		</div>
+	</div>
+
+	<div class="rounded-md border">
+		<Table.Root>
+			<Table.Header>
+				<Table.Row>
+					<Table.Head>Fracción</Table.Head>
+					<Table.Head>Tipo</Table.Head>
+					<Table.Head>UM</Table.Head>
+					<Table.Head>País</Table.Head>
+					<Table.Head>Fecha Pub.</Table.Head>
+					<Table.Head>Fecha Fin</Table.Head>
+					<Table.Head class="text-right">IGI</Table.Head>
+					<Table.Head class="text-right">IGE</Table.Head>
+				</Table.Row>
+			</Table.Header>
+			<Table.Body>
+				{#if loading}
+					<Table.Row>
+						<Table.Cell colspan={8} class="h-24 text-center">
+							<div class="flex justify-center">
+								<Loader2 class="h-6 w-6 animate-spin" />
+							</div>
+						</Table.Cell>
+					</Table.Row>
+				{:else if fractions.length === 0}
+					<Table.Row>
+						<Table.Cell colspan={8} class="h-24 text-center"
+							>No se encontraron resultados</Table.Cell
+						>
+					</Table.Row>
+				{:else}
+					{#each fractions as fraction}
+						<Table.Row>
+							<Table.Cell class="font-medium">{fraction.historical_fraction}</Table.Cell>
+							<Table.Cell>{fraction.fraction_type || '-'}</Table.Cell>
+							<Table.Cell>{fraction.unit_of_measure_code || '-'}</Table.Cell>
+							<Table.Cell>{fraction.country || '-'}</Table.Cell>
+							<Table.Cell
+								>{fraction.publication_date
+									? new Date(fraction.publication_date).toLocaleDateString()
+									: '-'}</Table.Cell
+							>
+							<Table.Cell
+								>{fraction.end_date
+									? new Date(fraction.end_date).toLocaleDateString()
+									: '-'}</Table.Cell
+							>
+							<Table.Cell class="text-right">{fraction.import_tax_rate ?? '-'}</Table.Cell>
+							<Table.Cell class="text-right">{fraction.export_tax_rate ?? '-'}</Table.Cell>
+						</Table.Row>
+					{/each}
+				{/if}
+			</Table.Body>
+		</Table.Root>
+	</div>
+
+	<!-- Pagination -->
+	<div class="flex items-center justify-end space-x-2 py-4">
+		<Button
+			variant="outline"
+			size="sm"
+			onclick={() => loadFractions(page - 1)}
+			disabled={page === 1 || loading}
+		>
+			Anterior
+		</Button>
+		<div class="text-sm text-muted-foreground">
+			Página {page} de {totalPages || 1}
+		</div>
+		<Button
+			variant="outline"
+			size="sm"
+			onclick={() => loadFractions(page + 1)}
+			disabled={page >= totalPages || loading}
+		>
+			Siguiente
+		</Button>
+	</div>
+</div>
--- a/frontend/src/lib/components/dashboard/goods/fractions/TariffFractionFormDialog.svelte
+++ b/frontend/src/lib/components/dashboard/goods/fractions/TariffFractionFormDialog.svelte
@@ -0,0 +1,198 @@
+<script lang="ts">
+	import * as Dialog from '$lib/components/ui/dialog';
+	import { Input } from '$lib/components/ui/input';
+	import { Label } from '$lib/components/ui/label';
+	import { Button } from '$lib/components/ui/button';
+	import { Textarea } from '$lib/components/ui/textarea';
+	import {
+		createTariffFraction,
+		updateTariffFraction,
+		type TariffFraction,
+		type TariffFractionCreate,
+		type TariffFractionUpdate
+	} from '$lib/api/dashboard/a76/general_catalogs/tariff-fractions';
+	import { companyStore } from '$lib/stores/company.svelte';
+	import { toast } from 'svelte-sonner';
+	import { Loader2 } from 'lucide-svelte';
+
+	let {
+		open = $bindable(false),
+		fraction = null, // If null, create mode. If set, edit mode.
+		catalog = 'mex',
+		onSuccess
+	}: {
+		open: boolean;
+		fraction?: TariffFraction | null;
+		catalog?: string;
+		onSuccess: () => void;
+	} = $props();
+
+	let isLoading = $state(false);
+
+	// Form fields
+	let code = $state('');
+	let fractionFormatted = $state('');
+	let description = $state('');
+	let nico = $state('');
+	let umt = $state('');
+	let adv_impo = $state('');
+	let adv_expo = $state('');
+	let um_code = $state(''); // New field for unit code
+
+	// Load data on open/fraction change
+	$effect(() => {
+		if (open) {
+			if (fraction) {
+				// Edit mode
+				code = fraction.code;
+				fractionFormatted = fraction.fraction;
+				description = fraction.description || '';
+				nico = fraction.nico || '';
+				umt = fraction.umt || '';
+				adv_impo = fraction.adv_impo || '';
+				adv_expo = fraction.adv_expo || '';
+				um_code = fraction.um_code || '';
+			} else {
+				// Create mode - reset
+				code = '';
+				fractionFormatted = '';
+				description = '';
+				nico = '';
+				umt = '';
+				adv_impo = '';
+				adv_expo = '';
+				um_code = '';
+			}
+		}
+	});
+
+	async function handleSubmit() {
+		const companyId = companyStore.activeCompany?.id;
+		if (!companyId) return;
+
+		isLoading = true;
+		try {
+			if (fraction) {
+				// Update
+				const updateData: TariffFractionUpdate = {
+					fraction: fractionFormatted,
+					description,
+					nico: catalog === 'mex' ? nico : null,
+					umt,
+					adv_impo,
+					adv_expo
+				};
+				await updateTariffFraction(fraction.id, updateData, companyId, catalog);
+				toast.success('Fracción actualizada correctamente');
+			} else {
+				// Create
+				const createData: TariffFractionCreate = {
+					code,
+					fraction: fractionFormatted,
+					description,
+					nico: catalog === 'mex' ? nico : null,
+					umt,
+					adv_impo,
+					adv_expo
+				};
+				await createTariffFraction(createData, companyId, catalog);
+				toast.success('Fracción creada correctamente');
+			}
+			onSuccess();
+		} catch (error) {
+			console.error('Error saving fraction:', error);
+			toast.error('Error al guardar la fracción');
+		} finally {
+			isLoading = false;
+		}
+	}
+</script>
+
+<Dialog.Root bind:open>
+	<Dialog.Content class="sm:max-w-[600px]">
+		<Dialog.Header>
+			<Dialog.Title
+				>{fraction ? 'Editar' : 'Crear'} Fracción Arancelaria {catalog === 'usa'
+					? '(USA)'
+					: ''}</Dialog.Title
+			>
+			<Dialog.Description>
+				{fraction
+					? 'Modifica los detalles de la fracción seleccionada.'
+					: 'Ingresa los datos para la nueva fracción.'}
+			</Dialog.Description>
+		</Dialog.Header>
+
+		<div class="grid gap-4 py-4">
+			<div class="grid grid-cols-2 gap-4">
+				<div class="space-y-2">
+					<Label for="code">Clave / Código {catalog === 'mex' ? '(Sin puntos)' : ''}</Label>
+					<Input id="code" bind:value={code} disabled={!!fraction} placeholder="Ej. 01012101" />
+					{#if fraction}
+						<p class="text-xs text-muted-foreground">
+							El código no se puede modificar una vez creado.
+						</p>
+					{/if}
+				</div>
+				<div class="space-y-2">
+					<Label for="fraction">Fracción {catalog === 'mex' ? '(Con puntos)' : ''}</Label>
+					<Input id="fraction" bind:value={fractionFormatted} placeholder="Ej. 0101.21.01" />
+				</div>
+			</div>
+
+			<div class="space-y-2">
+				<Label for="description">Descripción</Label>
+				<Textarea
+					id="description"
+					bind:value={description}
+					placeholder="Descripción de la mercancía..."
+				/>
+			</div>
+
+			{#if catalog === 'mex'}
+				<div class="grid grid-cols-3 gap-4">
+					<div class="space-y-2">
+						<Label for="nico">NICO</Label>
+						<Input id="nico" bind:value={nico} placeholder="Ej. 00" />
+					</div>
+					<div class="space-y-2">
+						<Label for="um_code">Clave U.M.</Label>
+						<Input id="um_code" bind:value={um_code} placeholder="Ej. 06" />
+					</div>
+					<div class="space-y-2">
+						<Label for="umt">U.M.T</Label>
+						<Input id="umt" bind:value={umt} placeholder="Ej. Kg" />
+					</div>
+				</div>
+			{:else}
+				<div class="grid grid-cols-2 gap-4">
+					<div class="space-y-2">
+						<Label for="umt">Unidad de Medida</Label>
+						<Input id="umt" bind:value={umt} placeholder="Unit" />
+					</div>
+				</div>
+			{/if}
+
+			<div class="grid grid-cols-2 gap-4">
+				<div class="space-y-2">
+					<Label for="adv_impo">Adv. Impo</Label>
+					<Input id="adv_impo" bind:value={adv_impo} placeholder="Ej. Ex." />
+				</div>
+				<div class="space-y-2">
+					<Label for="adv_expo">Adv. Expo</Label>
+					<Input id="adv_expo" bind:value={adv_expo} placeholder="Ej. Ex." />
+				</div>
+			</div>
+		</div>
+
+		<Dialog.Footer>
+			<Button variant="outline" onclick={() => (open = false)}>Cancelar</Button>
+			<Button onclick={handleSubmit} disabled={isLoading}>
+				{#if isLoading}
+					<Loader2 class="mr-2 h-4 w-4 animate-spin" />
+				{/if}
+				Guardar
+			</Button>
+		</Dialog.Footer>
+	</Dialog.Content>
+</Dialog.Root>
--- a/frontend/src/lib/components/dashboard/goods/fractions/TariffFractionList.svelte
+++ b/frontend/src/lib/components/dashboard/goods/fractions/TariffFractionList.svelte
@@ -0,0 +1,293 @@
+<script lang="ts">
+	import { Input } from '$lib/components/ui/input';
+	import { Button } from '$lib/components/ui/button';
+	import { Label } from '$lib/components/ui/label';
+	import {
+		Table,
+		TableBody,
+		TableCell,
+		TableHead,
+		TableHeader,
+		TableRow
+	} from '$lib/components/ui/table';
+	import { Loader2, Plus, Search, Trash2, Edit } from 'lucide-svelte';
+	import {
+		getTariffFractions,
+		deleteTariffFraction,
+		type TariffFraction
+	} from '$lib/api/dashboard/a76/general_catalogs/tariff-fractions';
+	import { companyStore } from '$lib/stores/company.svelte';
+	import { onMount } from 'svelte';
+	import * as AlertDialog from '$lib/components/ui/alert-dialog';
+	import TariffFractionFormDialog from './TariffFractionFormDialog.svelte';
+	import { toast } from 'svelte-sonner';
+
+	let {
+		title = 'Fracciones Arancelarias',
+		catalog = 'mex', // 'mex' or 'usa'
+		levelFilter = null, // null or number
+		readOnly = false
+	}: {
+		title?: string;
+		catalog?: string;
+		levelFilter?: number | null;
+		readOnly?: boolean;
+	} = $props();
+
+	let fractions = $state<TariffFraction[]>([]);
+	let totalFractions = $state(0);
+	let currentPage = $state(1);
+	let pageSize = 50;
+	let isLoading = $state(false);
+	let search = $state('');
+	let searchTimeout: ReturnType<typeof setTimeout>;
+
+	let isFormDialogOpen = $state(false);
+	let selectedFraction = $state<TariffFraction | null>(null);
+	let isManageMode = $state(false); // If true, opens form in edit mode
+
+	// Delete confirmation
+	let showDeleteConfirm = $state(false);
+	let fractionToDelete = $state<TariffFraction | null>(null);
+
+	async function loadFractions() {
+		const companyId = companyStore.activeCompany?.id;
+		if (!companyId) return;
+
+		isLoading = true;
+		try {
+			const filters: Record<string, any> = {};
+			if (search) filters.search = search;
+			if (levelFilter !== null) filters.level = levelFilter;
+			filters.catalog = catalog;
+
+			const response = await getTariffFractions(currentPage, pageSize, companyId, filters);
+
+			if (response.data) {
+				fractions = response.data.items;
+				totalFractions = response.data.total;
+			}
+		} catch (error) {
+			console.error('Error loading fractions:', error);
+			toast.error('Error al cargar las fracciones');
+		} finally {
+			isLoading = false;
+		}
+	}
+
+	function handleSearchInput() {
+		clearTimeout(searchTimeout);
+		searchTimeout = setTimeout(() => {
+			currentPage = 1;
+			loadFractions();
+		}, 500);
+	}
+
+	function handlePageChange(newPage: number) {
+		currentPage = newPage;
+		loadFractions();
+	}
+
+	function openCreateDialog() {
+		selectedFraction = null;
+		isManageMode = false; // Create mode
+		isFormDialogOpen = true;
+	}
+
+	function openEditDialog(fraction: TariffFraction) {
+		selectedFraction = fraction;
+		isManageMode = true; // Edit mode
+		isFormDialogOpen = true;
+	}
+
+	function confirmDelete(fraction: TariffFraction) {
+		fractionToDelete = fraction;
+		showDeleteConfirm = true;
+	}
+
+	async function handleDelete() {
+		if (!fractionToDelete || !companyStore.activeCompany?.id) return;
+
+		try {
+			// Note: Delete might allow deleting items from source API if allowed,
+			// or just local overrides. Assuming Service handles logic.
+			await deleteTariffFraction(fractionToDelete.id, companyStore.activeCompany.id, catalog);
+			toast.success('Fracción eliminada correctamente');
+			loadFractions();
+		} catch (error) {
+			console.error('Error deleting fraction:', error);
+			toast.error('Error al eliminar la fracción. Puede que esté en uso.');
+		} finally {
+			showDeleteConfirm = false;
+			fractionToDelete = null;
+		}
+	}
+
+	onMount(() => {
+		if (companyStore.activeCompany) {
+			loadFractions();
+		}
+	});
+
+	// Reload when company changes
+	$effect(() => {
+		if (companyStore.activeCompany?.id) {
+			loadFractions();
+		}
+	});
+</script>
+
+<div class="space-y-4 p-4">
+	<div class="flex items-center justify-between">
+		<h2 class="text-2xl font-bold tracking-tight">{title}</h2>
+		{#if !readOnly}
+			<Button onclick={openCreateDialog}>
+				<Plus class="mr-2 h-4 w-4" />
+				Nueva Fracción
+			</Button>
+		{/if}
+	</div>
+
+	<div class="flex items-center space-x-2">
+		<div class="relative max-w-sm flex-1">
+			<Search class="absolute top-2.5 left-2 h-4 w-4 text-muted-foreground" />
+			<Input placeholder="Buscar..." class="pl-8" bind:value={search} oninput={handleSearchInput} />
+		</div>
+	</div>
+
+	<div class="rounded-md border">
+		<Table>
+			<TableHeader>
+				<TableRow>
+					<TableHead>Clave</TableHead>
+					<TableHead>Fracción</TableHead>
+					<TableHead>Descripción</TableHead>
+					{#if catalog === 'mex'}
+						<TableHead>NICO</TableHead>
+						<TableHead>U.M.T</TableHead>
+					{:else}
+						<TableHead>Unidad</TableHead>
+					{/if}
+					<TableHead>Adv. Impo</TableHead>
+					<TableHead>Adv. Expo</TableHead>
+					{#if !readOnly}
+						<TableHead class="w-[100px]">Acciones</TableHead>
+					{/if}
+				</TableRow>
+			</TableHeader>
+			<TableBody>
+				{#if isLoading}
+					<TableRow>
+						<TableCell
+							colspan={catalog === 'mex' ? (readOnly ? 7 : 8) : readOnly ? 6 : 7}
+							class="h-24 text-center"
+						>
+							<div class="flex justify-center">
+								<Loader2 class="h-6 w-6 animate-spin" />
+							</div>
+						</TableCell>
+					</TableRow>
+				{:else if fractions.length === 0}
+					<TableRow>
+						<TableCell
+							colspan={catalog === 'mex' ? (readOnly ? 7 : 8) : readOnly ? 6 : 7}
+							class="h-24 text-center"
+						>
+							No se encontraron resultados
+						</TableCell>
+					</TableRow>
+				{:else}
+					{#each fractions as fraction}
+						<TableRow>
+							<TableCell class="font-mono">{fraction.um_code || fraction.code}</TableCell>
+							<TableCell class="font-medium">{fraction.fraction}</TableCell>
+							<TableCell class="max-w-md truncate" title={fraction.description}>
+								{fraction.description}
+							</TableCell>
+							{#if catalog === 'mex'}
+								<TableCell>{fraction.nico || '-'}</TableCell>
+								<TableCell>{fraction.umt || '-'}</TableCell>
+							{:else}
+								<TableCell>{fraction.umt || '-'}</TableCell>
+							{/if}
+							<TableCell>{fraction.adv_impo || '-'}</TableCell>
+							<TableCell>{fraction.adv_expo || '-'}</TableCell>
+							{#if !readOnly}
+								<TableCell>
+									<div class="flex items-center gap-2">
+										<Button variant="ghost" size="icon" onclick={() => openEditDialog(fraction)}>
+											<Edit class="h-4 w-4" />
+										</Button>
+										<Button
+											variant="ghost"
+											size="icon"
+											class="text-destructive hover:text-destructive"
+											onclick={() => confirmDelete(fraction)}
+										>
+											<Trash2 class="h-4 w-4" />
+										</Button>
+									</div>
+								</TableCell>
+							{/if}
+						</TableRow>
+					{/each}
+				{/if}
+			</TableBody>
+		</Table>
+	</div>
+
+	<!-- Pagination -->
+	<div class="flex items-center justify-end space-x-2 py-4">
+		<Button
+			variant="outline"
+			size="sm"
+			onclick={() => handlePageChange(currentPage - 1)}
+			disabled={currentPage === 1 || isLoading}
+		>
+			Anterior
+		</Button>
+		<div class="text-sm text-muted-foreground">
+			Página {currentPage} de {Math.ceil(totalFractions / pageSize) || 1}
+		</div>
+		<Button
+			variant="outline"
+			size="sm"
+			onclick={() => handlePageChange(currentPage + 1)}
+			disabled={!fractions.length || fractions.length < pageSize || isLoading}
+		>
+			Siguiente
+		</Button>
+	</div>
+</div>
+
+<AlertDialog.Root bind:open={showDeleteConfirm}>
+	<AlertDialog.Content>
+		<AlertDialog.Header>
+			<AlertDialog.Title>¿Estás seguro?</AlertDialog.Title>
+			<AlertDialog.Description>
+				Esta acción no se puede deshacer. Se eliminará la fracción arancelaria permanentemente.
+			</AlertDialog.Description>
+		</AlertDialog.Header>
+		<AlertDialog.Footer>
+			<AlertDialog.Cancel>Cancelar</AlertDialog.Cancel>
+			<AlertDialog.Action
+				class="text-destructive-foreground bg-destructive hover:bg-destructive/90"
+				onclick={handleDelete}
+			>
+				Eliminar
+			</AlertDialog.Action>
+		</AlertDialog.Footer>
+	</AlertDialog.Content>
+</AlertDialog.Root>
+
+{#if isFormDialogOpen}
+	<TariffFractionFormDialog
+		bind:open={isFormDialogOpen}
+		fraction={selectedFraction}
+		{catalog}
+		onSuccess={() => {
+			loadFractions();
+			isFormDialogOpen = false;
+		}}
+	/>
+{/if}
--- a/frontend/src/lib/components/sidebar/modules.ts
+++ b/frontend/src/lib/components/sidebar/modules.ts
@@ -304,31 +304,31 @@ export function getSidebarData(): SidebarData {
 				items: [
 					{
 						title: m["sidebar.fractions.sitar"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/tariff-fractions/sitar",
 					},
 					{
 						title: m["sidebar.fractions.sitar_seventh_amendment"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/tariff-fractions/seventh-amendment",
 					},
 					{
 						title: m["sidebar.fractions.sitar_us"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/tariff-fractions/us",
 					},
 					{
 						title: m["sidebar.fractions.american"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/tariff-fractions/american",
 					},
 					{
 						title: m["sidebar.fractions.canadian"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/tariff-fractions/canadian",
 					},
 					{
 						title: m["sidebar.fractions.historical"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/tariff-fractions/historical",
 					},
 					{
 						title: m["sidebar.fractions.sectors"](),
-						url: "#",
+						url: "/dashboard/general_catalogs/sectors",
 					},
 				],
 			},
--- a/frontend/src/routes/dashboard/general_catalogs/sectors/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/sectors/+page.svelte
@@ -0,0 +1,5 @@
+<script lang="ts">
+	import SectorsList from '$lib/components/dashboard/general_catalogs/sectors/SectorsList.svelte';
+</script>
+
+<SectorsList />
--- a/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/american/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/american/+page.svelte
@@ -0,0 +1,6 @@
+<script lang="ts">
+	import TariffFractionList from '$lib/components/dashboard/goods/fractions/TariffFractionList.svelte';
+	import * as m from '$lib/paraglide/messages.js';
+</script>
+
+<TariffFractionList title={m['sidebar.fractions.american']()} catalog="american" readOnly={false} />
--- a/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/canadian/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/canadian/+page.svelte
@@ -0,0 +1,11 @@
+<script lang="ts">
+	import CanadianFractionList from '$lib/components/dashboard/goods/fractions/CanadianFractionList.svelte';
+	import * as m from '$lib/paraglide/messages.js';
+</script>
+
+<div class="flex flex-col gap-4 p-4">
+	<div class="flex items-center justify-between">
+		<h1 class="text-2xl font-bold tracking-tight">{m['sidebar.fractions.canadian']()}</h1>
+	</div>
+	<CanadianFractionList />
+</div>
--- a/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/historical/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/historical/+page.svelte
@@ -0,0 +1,6 @@
+<script lang="ts">
+	import HistoricalFractionList from '$lib/components/dashboard/goods/fractions/HistoricalFractionList.svelte';
+	import * as m from '$lib/paraglide/messages.js';
+</script>
+
+<HistoricalFractionList title={m['sidebar.fractions.historical']()} />
--- a/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/seventh-amendment/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/seventh-amendment/+page.svelte
@@ -0,0 +1,11 @@
+<script lang="ts">
+	import TariffFractionList from '$lib/components/dashboard/goods/fractions/TariffFractionList.svelte';
+	import * as m from '$lib/paraglide/messages.js';
+</script>
+
+<TariffFractionList
+	title={m['sidebar.fractions.sitar_seventh_amendment']()}
+	catalog="mex"
+	levelFilter={5}
+	readOnly={true}
+/>
--- a/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/sitar/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/sitar/+page.svelte
@@ -0,0 +1,11 @@
+<script lang="ts">
+	import TariffFractionList from '$lib/components/dashboard/goods/fractions/TariffFractionList.svelte';
+	import * as m from '$lib/paraglide/messages.js';
+</script>
+
+<TariffFractionList
+	title={m['sidebar.fractions.sitar']()}
+	catalog="mex"
+	levelFilter={-1}
+	readOnly={true}
+/>
--- a/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/us/+page.svelte
+++ b/frontend/src/routes/dashboard/general_catalogs/tariff-fractions/us/+page.svelte
@@ -0,0 +1,6 @@
+<script lang="ts">
+	import TariffFractionList from '$lib/components/dashboard/goods/fractions/TariffFractionList.svelte';
+	import * as m from '$lib/paraglide/messages.js';
+</script>
+
+<TariffFractionList title={m['sidebar.fractions.sitar_us']()} catalog="usa" readOnly={true} />