diff --git a/src/cl_sii/dte/data_models.py b/src/cl_sii/dte/data_models.py
index 06f822b4..192a7fcc 100644
--- a/src/cl_sii/dte/data_models.py
+++ b/src/cl_sii/dte/data_models.py
@@ -809,15 +809,13 @@ def validate_non_empty_stripped_str(cls, v: object) -> object:
     @classmethod
     def validate_referencias_numero_linea_ref_order(cls, v: object) -> object:
         if isinstance(v, Sequence):
-            for idx, referencia in enumerate(v, start=1):
-                if referencia.numero_linea_ref != idx:
-                    raise ValueError(
-                        "items must be ordered according to their 'numero_linea_ref'. "
-                        f"Expected index value: {idx}, "
-                        f"actual numero linea ref: {referencia.numero_linea_ref}. "
-                        f"All numero_linea_refs: "
-                        f"{', '.join(str(ref.numero_linea_ref) for ref in v)}"
-                    )
+            numero_linea_refs = [referencia.numero_linea_ref for referencia in v]
+            if numero_linea_refs != sorted(numero_linea_refs):
+                raise ValueError(
+                    "items must be ordered according to their 'numero_linea_ref'. "
+                    f"All numero_linea_refs: "
+                    f"{', '.join(str(num_linea_ref) for num_linea_ref in numero_linea_refs)}"
+                )
         return v
 
     @pydantic.model_validator(mode='after')
diff --git a/src/tests/test_dte_data_models.py b/src/tests/test_dte_data_models.py
index 8c7372c1..b37b1091 100644
--- a/src/tests/test_dte_data_models.py
+++ b/src/tests/test_dte_data_models.py
@@ -1701,7 +1701,6 @@ def test_validate_referencias_numero_linea_ref_order(self) -> None:
                 'loc': ('referencias',),
                 'msg': (
                     "Value error, items must be ordered according to their 'numero_linea_ref'. "
-                    "Expected index value: 1, actual numero linea ref: 2. "
                     "All numero_linea_refs: 2, 1"
                 ),
                 'type': 'value_error',