diff --git a/facho/fe/data/dian/codelist/__init__.py b/facho/fe/data/dian/codelist/__init__.py
index 85596db..40531c5 100644
--- a/facho/fe/data/dian/codelist/__init__.py
+++ b/facho/fe/data/dian/codelist/__init__.py
@@ -94,3 +94,4 @@ TipoOperacionF = CodeList(path_for_codelist('TipoOperacionF-2.1.gc'), 'code', 'n
 Municipio = CodeList(path_for_codelist('Municipio-2.1.gc'), 'code', 'name')
 Departamento = CodeList(path_for_codelist('Departamentos-2.1.gc'), 'code', 'name')
 Paises = CodeList(path_for_codelist('Paises-2.1.gc'), 'code', 'name')
+TipoIdFiscal = CodeList(path_for_codelist('TipoIdFiscal-2.1.gc'), 'code', 'name')
diff --git a/facho/fe/form.py b/facho/fe/form.py
index b5960f4..d00ac60 100644
--- a/facho/fe/form.py
+++ b/facho/fe/form.py
@@ -156,6 +156,10 @@ class PartyIdentification:
     def full(self):
         return "%s%s" % [self.number, self.dv]
 
+    def __post_init__(self):
+        if self.type_fiscal not in codelist.TipoIdFiscal:
+            raise ValueError("type_fiscal [%s] not found" % (self.type_fiscal))
+
 @dataclass
 class Responsability:
     codes: list