diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index edbeed810..7af080cbe 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -1741,7 +1741,7 @@ class ConfirmarProposicaoForm(ProposicaoForm):
         required=False, widget=widgets.TextInput(
             attrs={'readonly': 'readonly'}))
 
-    regime_tramitacao = forms.ModelChoiceField(
+    regime_tramitacao = forms.ModelChoiceField(label="Regime de tramitação",
         required=False, queryset=RegimeTramitacao.objects.all())
 
     gerar_protocolo = forms.ChoiceField(
@@ -1807,6 +1807,10 @@ class ConfirmarProposicaoForm(ProposicaoForm):
         # esta chamada isola o __init__ de ProposicaoForm
         super(ProposicaoForm, self).__init__(*args, **kwargs)
 
+        if self.instance.tipo.content_type.model_class() ==\
+                TipoMateriaLegislativa:
+            self.fields['regime_tramitacao'].required = True
+
         fields = [
             Fieldset(
                 _('Dados Básicos'),