diff --git a/backend/api/v1/modules/a76/general_catalogs/fractions/us_tariff_fractions/service.py b/backend/api/v1/modules/a76/general_catalogs/fractions/us_tariff_fractions/service.py
index e2fd10ee..661bf01b 100644
--- a/backend/api/v1/modules/a76/general_catalogs/fractions/us_tariff_fractions/service.py
+++ b/backend/api/v1/modules/a76/general_catalogs/fractions/us_tariff_fractions/service.py
@@ -63,44 +63,43 @@ class USTariffFractionService:
         Estrategia: Sitar API -> Fallback Local DB
         """
         
-        # 1. Try Sitar API
-        try:
-            sitar_service = FraccionesUSAService.get_instance()
-            
-            sitar_fraccion = None
-            has_filters = False
-            
-            if filters and filters.get("search"):
-                term = filters["search"]
-                # Sitar only filters by fraction code
-                if term.replace(".", "").isdigit():
-                    sitar_fraccion = term
-                    has_filters = True
-            
-            sitar_items = await sitar_service.search(
-                fraccion=sitar_fraccion,
-                skip=skip,
-                limit=limit
-            )
-            
-            # If Sitar returns empty list, attempt fallback to local DB
-            if not sitar_items:
-                 logger.info(f"Sitar returned no results for USA query (filters={has_filters}). Attempting fallback to local DB.")
-                 return USTariffFractionService._get_all_local(db, tenant_id, company_id, skip, limit, filters)
+        ## 1. Try Sitar API
+        #try:
+        #    sitar_service = FraccionesUSAService.get_instance()
+        #    
+        #    sitar_fraccion = None
+        #    has_filters = False
+        #    
+        #    if filters and filters.get("search"):
+        #        term = filters["search"]
+        #        # Sitar only filters by fraction code
+        #        if term.replace(".", "").isdigit():
+        #            sitar_fraccion = term
+        #            has_filters = True
+        #    
+        #    sitar_items = await sitar_service.search(
+        #        fraccion=sitar_fraccion,
+        #        skip=skip,
+        #        limit=limit
+        #    )
+        #    
+        #    # If Sitar returns empty list, attempt fallback to local DB
+        #    if not sitar_items:
+        #         logger.info(f"Sitar returned no results for USA query (filters={has_filters}). Attempting fallback to local DB.")
+        #         return USTariffFractionService._get_all_local(db, tenant_id, company_id, skip, limit, filters)
+        #
+        #    # Map items
+        #    items = [USTariffFractionMapper.to_domain(item, tenant_id, company_id) for item in sitar_items]
+        #    
+        #    # Estimate total
+        #    total = len(items) + skip
+        #    if len(items) == limit:
+        #        total += 1
+        #        
+        #    return items, total
 
-            # Map items
-            items = [USTariffFractionMapper.to_domain(item, tenant_id, company_id) for item in sitar_items]
-            
-            # Estimate total
-            total = len(items) + skip
-            if len(items) == limit:
-                total += 1
-                
-            return items, total
-
-        except Exception as e:
-            logger.error(f"Error fetching USA Fractions from Sitar API, falling back to local DB: {e}")
-            return USTariffFractionService._get_all_local(db, tenant_id, company_id, skip, limit, filters)
+        #except Exception as e:           
+        return USTariffFractionService._get_all_local(db, tenant_id, company_id, skip, limit, filters)
 
     @staticmethod
     def _get_all_local(