diff --git a/backend/api/v1/modules/sitar/fracciones/schemas.py b/backend/api/v1/modules/sitar/fracciones/schemas.py
index 7fbd57e3..c4811a3d 100644
--- a/backend/api/v1/modules/sitar/fracciones/schemas.py
+++ b/backend/api/v1/modules/sitar/fracciones/schemas.py
@@ -1,5 +1,6 @@
 """Fracciones Schemas"""
 
+from decimal import Decimal
 from typing import Optional
 from pydantic import BaseModel, Field
 
@@ -8,13 +9,30 @@ class FraccionesResponse(BaseModel):
     """Fracciones arancelarias mexicanas"""
 
     FRACCION: Optional[str] = Field(None, max_length=10)
+    FRACCIONPUNTO: Optional[str] = Field(None, max_length=10)
     DESCRIPCION: Optional[str] = None
-    UMT: Optional[str] = Field(None, max_length=2)
-    UMC: Optional[str] = Field(None, max_length=2)
-    IMPUESTO_EXP: Optional[str] = Field(None, max_length=19)
-    IMPUESTO_IMP: Optional[str] = Field(None, max_length=19)
-    NICO: Optional[str] = Field("", max_length=2)
-    SYSID: int
+    UMCLAVE: Optional[str] = Field(None, max_length=2)
+    UMABREVIACION: Optional[str] = Field(None, max_length=4)
+    ADVIMPOTXT: Optional[str] = Field(None, max_length=19)
+    ADVIMPONUM: Optional[Decimal] = None
+    TIPOTASAADVIMPO: Optional[int] = None
+    ADVEXPOTXT: Optional[str] = Field(None, max_length=19)
+    ADVEXPONUM: Optional[Decimal] = None
+    TIPOTASAADVEXPO: Optional[int] = None
+    TASAIVAFRANJA: Optional[Decimal] = None
+    TASAIVAINTERIOR: Optional[Decimal] = None
+    TASAISAN: Optional[Decimal] = None
+    ARANCELMIXTO: Optional[str] = Field(None, max_length=1)
+    TASAMIXTA: Optional[Decimal] = None
+    DOF: Optional[str] = Field(None, max_length=8)
+    NOTAS: Optional[str] = None
+    HISTORICO: Optional[str] = None
+    ARANCELESPECIFICO: Optional[str] = Field(None, max_length=1)
+    TIPOVEHICULO: Optional[str] = Field(None, max_length=1)
+    APLICAISAN: Optional[str] = Field(None, max_length=1)
+    APLICAIEPS: Optional[str] = Field(None, max_length=1)
+    NIVEL: Optional[int] = None
+    NICO: Optional[str] = Field(None, max_length=14)
 
     class Config:
         from_attributes = True
diff --git a/backend/api/v1/modules/sitar/prosec/router.py b/backend/api/v1/modules/sitar/prosec/router.py
index 7bea6cff..22a15267 100644
--- a/backend/api/v1/modules/sitar/prosec/router.py
+++ b/backend/api/v1/modules/sitar/prosec/router.py
@@ -13,6 +13,8 @@ router = APIRouter()
 async def search_prosec(
     fraccion: Optional[str] = Query(None),
     nico: Optional[str] = Query(None),
+    sector: Optional[str] = Query(None),
+    articulo: Optional[str] = Query(None),
     skip: int = Query(0, ge=0),
     limit: int = Query(100, ge=1, le=1000),
     current_user: dict = Depends(get_current_user),
@@ -20,7 +22,12 @@ async def search_prosec(
     try:
         service = ProsecService.get_instance()
         return await service.search(
-            fraccion=fraccion, nico=nico, skip=skip, limit=limit
+            fraccion=fraccion,
+            nico=nico,
+            sector=sector,
+            articulo=articulo,
+            skip=skip,
+            limit=limit,
         )
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"Error: {str(e)}")
diff --git a/backend/api/v1/modules/sitar/prosec/service.py b/backend/api/v1/modules/sitar/prosec/service.py
index a489cc2e..f4a9c7bf 100644
--- a/backend/api/v1/modules/sitar/prosec/service.py
+++ b/backend/api/v1/modules/sitar/prosec/service.py
@@ -20,6 +20,8 @@ class ProsecService(SitarAPIBaseService):
         self,
         fraccion: Optional[str] = None,
         nico: Optional[str] = None,
+        sector: Optional[str] = None,
+        articulo: Optional[str] = None,
         skip: int = 0,
         limit: int = 100,
     ) -> List[ProsecResponse]:
@@ -28,6 +30,10 @@ class ProsecService(SitarAPIBaseService):
             params["fraccion"] = fraccion
         if nico:
             params["nico"] = nico
+        if sector:
+            params["sector"] = sector
+        if articulo:
+            params["articulo"] = articulo
 
         data = await self._make_request("GET", "/api/v1/prosec/", params=params)
         return [ProsecResponse(**item) for item in data]