diff --git a/backend/api/v1/modules/a76/items/imports/temporary/validators/create.py b/backend/api/v1/modules/a76/items/imports/temporary/validators/create.py
index d6080ac3..7c3ae0d8 100644
--- a/backend/api/v1/modules/a76/items/imports/temporary/validators/create.py
+++ b/backend/api/v1/modules/a76/items/imports/temporary/validators/create.py
@@ -33,14 +33,8 @@ def validate_create(
             code="REQUIRED"
         )
     
-    # 2. Validar part_number_id
-    if not line.part_number_id:
-        errors.add_error(
-            field="part_number_id",
-            message="Part Number ID es obligatorio",
-            solution="Selecciona un número de parte válido del catálogo",
-            code="REQUIRED"
-        )
+    # 2. Validar part_number_id (OPCIONAL - ya no es obligatorio)
+    # El campo part_number_id ahora es opcional
     
     # 3. Validar class_id
     if not line.class_id:
diff --git a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-configuration.svelte b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-configuration.svelte
index 831d2739..e71c6096 100644
--- a/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-configuration.svelte
+++ b/frontend/src/lib/components/dashboard/invoices/edit/items/fa/item-configuration.svelte
@@ -87,7 +87,7 @@
 	<!-- Descriptions -->
 	<fieldset class="border rounded-md p-2 space-y-2">							
 		<div class="space-y-1">
-			<Label for="num_parte" class="text-xs">Número de Parte: <span class="text-red-500">*</span></Label>
+			<Label for="num_parte" class="text-xs">Número de Parte:</Label>
 			<div class="flex gap-1">
 				<Input 
 					id="num_parte"