diff --git a/backend/api/v1/modules/a76/layouts_csv/customs_brokers/common/common_validators.py b/backend/api/v1/modules/a76/layouts_csv/customs_brokers/common/common_validators.py
index 65292796..24b2c573 100644
--- a/backend/api/v1/modules/a76/layouts_csv/customs_brokers/common/common_validators.py
+++ b/backend/api/v1/modules/a76/layouts_csv/customs_brokers/common/common_validators.py
@@ -11,6 +11,16 @@ LICENSE_MAX = 4
 RFC_MAX = 30
 CURP_MAX = 19
 
+# Formato RFC/CURP (paridad con flujo manual dashboard/customs_brokers)
+RFC_PATTERN = re.compile(r"^[A-Z&Ñ]{3,4}\d{6}[A-Z0-9]{3}$", re.IGNORECASE)
+# CURP: 18 caracteres (inicial, vocal, 2 letras, fecha, sexo, estado, 3 consonantes, homoclave)
+CURP_PATTERN = re.compile(
+    r"^[A-Z][AEIOUX][A-Z]{2}\d{2}(0[1-9]|1[0-2])(0[1-9]|[12]\d|3[01])[HM]"
+    r"(AS|BC|BS|CC|CS|CH|CL|CM|DF|DG|GT|GR|HG|JC|MC|MN|MS|NT|NL|OC|PL|QT|QR|SP|SL|SR|TC|TS|TL|VZ|YN|ZS|NE)"
+    r"[B-DF-HJ-NP-TV-Z]{3}[0-9A-Z]\d$",
+    re.IGNORECASE,
+)
+
 
 def check_required_broker_key(row: Dict[str, Any], line_num: int) -> Optional[Dict[str, Any]]:
     """Col B: Clave de Agente Aduanal obligatoria, máx 5 caracteres."""
@@ -174,6 +184,38 @@ def check_curp_max(row: Dict[str, Any], line_num: int) -> Optional[Dict[str, Any
     return None
 
 
+def check_rfc_format(row: Dict[str, Any], line_num: int) -> Optional[Dict[str, Any]]:
+    """Col E: RFC opcional; si tiene valor, debe cumplir formato RFC (ej. XAXX010101XXX)."""
+    val = (row.get("RFC") or "").strip()
+    if not val:
+        return None
+    if not RFC_PATTERN.match(val):
+        clave = (row.get("CLAVE") or "").strip()
+        return {
+            "line": line_num,
+            "col": "RFC",
+            "msg": "Error: (Col. E) El formato del RFC es inválido.",
+            "solution": "Capturar en la columna E un RFC con formato válido (ej. XAXX010101XXX).",
+        }
+    return None
+
+
+def check_curp_format(row: Dict[str, Any], line_num: int) -> Optional[Dict[str, Any]]:
+    """Col N: CURP/PERSONAL_ID opcional; si tiene valor, debe cumplir formato CURP de 18 caracteres."""
+    val = (row.get("PERSONAL_ID") or "").strip()
+    if not val:
+        return None
+    if not CURP_PATTERN.match(val):
+        clave = (row.get("CLAVE") or "").strip()
+        return {
+            "line": line_num,
+            "col": "PERSONAL_ID",
+            "msg": "Error: (Col. N) El formato de la CURP es inválido.",
+            "solution": "Capturar en la columna N un CURP con formato válido de 18 caracteres.",
+        }
+    return None
+
+
 def check_pais_catalogo(
     row: Dict[str, Any],
     line_num: int,
diff --git a/backend/api/v1/modules/a76/layouts_csv/customs_brokers/validators/common.py b/backend/api/v1/modules/a76/layouts_csv/customs_brokers/validators/common.py
index 867bbe70..8edfdefd 100644
--- a/backend/api/v1/modules/a76/layouts_csv/customs_brokers/validators/common.py
+++ b/backend/api/v1/modules/a76/layouts_csv/customs_brokers/validators/common.py
@@ -12,6 +12,8 @@ from ..common.common_validators import (
     check_patente_obligatoria_si_mex,
     check_rfc_max,
     check_curp_max,
+    check_rfc_format,
+    check_curp_format,
     check_pais_catalogo,
 )
 
@@ -40,9 +42,15 @@ def validaciones_agente_aduanal(
     if err:
         return err
     err = check_rfc_max(row, line_num)
+    if err:
+        return err
+    err = check_rfc_format(row, line_num)
     if err:
         return err
     err = check_curp_max(row, line_num)
+    if err:
+        return err
+    err = check_curp_format(row, line_num)
     if err:
         return err
     err = check_pais_catalogo(row, line_num, valid_country_m3)