diff --git a/base/models.py b/base/models.py
index e2f1cddf6..ad7108bac 100644
--- a/base/models.py
+++ b/base/models.py
@@ -1,5 +1,6 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
+
 from sapl.utils import UF
 
 
diff --git a/materia/forms.py b/materia/forms.py
index 9c6112d55..d7cdeb5ca 100644
--- a/materia/forms.py
+++ b/materia/forms.py
@@ -1,7 +1,7 @@
 from datetime import date
 
 from crispy_forms.helper import FormHelper
-from crispy_forms.layout import Column, Fieldset, Layout
+from crispy_forms.layout import Column, Fieldset, Layout, Submit
 from django import forms
 from django.forms import ModelForm
 from django.utils.safestring import mark_safe
@@ -54,7 +54,6 @@ class HorizontalRadioRenderer(forms.RadioSelect.renderer):
 
 class ProposicaoForm(ModelForm):
 
-
     tipo_materia = forms.ModelChoiceField(
         label=_('Matéria Vinculada'),
         required=False,
diff --git a/materia/models.py b/materia/models.py
index bf3fabd0e..a358b303b 100644
--- a/materia/models.py
+++ b/materia/models.py
@@ -1,12 +1,10 @@
-from datetime import date
-
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from model_utils import Choices
 
 from comissoes.models import Comissao
 from parlamentares.models import Parlamentar, Partido
-from sapl.utils import YES_NO_CHOICES, xstr
+from sapl.utils import RANGE_ANOS, YES_NO_CHOICES, xstr
 
 
 class TipoMateriaLegislativa(models.Model):
@@ -64,7 +62,8 @@ class MateriaLegislativa(models.Model):
 
     tipo = models.ForeignKey(TipoMateriaLegislativa, verbose_name=_('Tipo'))
     numero = models.PositiveIntegerField(verbose_name=_('Número'))
-    ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'))
+    ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'),
+                                           choices=RANGE_ANOS)
     numero_protocolo = models.PositiveIntegerField(
         blank=True, null=True, verbose_name=_('Núm. Protocolo'))
     data_apresentacao = models.DateField(verbose_name=_('Data Apresentação'))
@@ -85,7 +84,7 @@ class MateriaLegislativa(models.Model):
     numero_origem_externa = models.CharField(
         max_length=5, blank=True, verbose_name=_('Número'))
     ano_origem_externa = models.PositiveSmallIntegerField(
-        blank=True, null=True, verbose_name=_('Ano'))
+        blank=True, null=True, verbose_name=_('Ano'), choices=RANGE_ANOS)
     data_origem_externa = models.DateField(
         blank=True, null=True, verbose_name=_('Data'))
     local_origem_externa = models.ForeignKey(
@@ -302,9 +301,6 @@ class MateriaAssunto(models.Model):
             'materia': self.materia, 'assunto': self.assunto}
 
 
-RANGE_ANOS = [(year, year) for year in range(date.today().year, 1889, -1)]
-
-
 class Numeracao(models.Model):
     materia = models.ForeignKey(MateriaLegislativa)
     tipo_materia = models.ForeignKey(
diff --git a/norma/models.py b/norma/models.py
index b03264d64..37d48d20b 100644
--- a/norma/models.py
+++ b/norma/models.py
@@ -4,7 +4,7 @@ from django.utils.translation import ugettext_lazy as _
 from model_utils import Choices
 
 from materia.models import MateriaLegislativa
-from sapl.utils import YES_NO_CHOICES
+from sapl.utils import RANGE_ANOS, YES_NO_CHOICES
 
 
 class AssuntoNorma(models.Model):
@@ -76,7 +76,8 @@ class NormaJuridica(models.Model):
         TipoNormaJuridica, verbose_name=_('Tipo da Norma Juridica'))
     materia = models.ForeignKey(MateriaLegislativa, blank=True, null=True)
     numero = models.PositiveIntegerField(verbose_name=_('Número'))
-    ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'))
+    ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'),
+                                           choices=RANGE_ANOS)
     esfera_federacao = models.CharField(
         max_length=1,
         verbose_name=_('Esfera Federação'),
diff --git a/parlamentares/models.py b/parlamentares/models.py
index ac31e0133..a1055602d 100644
--- a/parlamentares/models.py
+++ b/parlamentares/models.py
@@ -4,7 +4,7 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from model_utils import Choices
 
-from sapl.utils import YES_NO_CHOICES, UF
+from sapl.utils import UF, YES_NO_CHOICES
 
 
 class Legislatura(models.Model):
diff --git a/protocoloadm/models.py b/protocoloadm/models.py
index fc9d1715f..1647749d4 100644
--- a/protocoloadm/models.py
+++ b/protocoloadm/models.py
@@ -5,7 +5,7 @@ from django.utils.translation import ugettext_lazy as _
 from model_utils import Choices
 
 from materia.models import Autor, TipoMateriaLegislativa, UnidadeTramitacao
-from sapl.utils import YES_NO_CHOICES
+from sapl.utils import RANGE_ANOS, YES_NO_CHOICES
 
 
 class TipoDocumentoAdministrativo(models.Model):
@@ -28,7 +28,8 @@ class DocumentoAdministrativo(models.Model):
     tipo = models.ForeignKey(
         TipoDocumentoAdministrativo, verbose_name=_('Tipo Documento'))
     numero = models.PositiveIntegerField(verbose_name=_('Número'))
-    ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'))
+    ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'),
+                                           choices=RANGE_ANOS)
     data = models.DateField(verbose_name=_('Data'))
     numero_protocolo = models.PositiveIntegerField(
         blank=True, null=True, verbose_name=_('Núm. Protocolo'))
@@ -89,8 +90,10 @@ class DocumentoAcessorioAdministrativo(models.Model):
 class Protocolo(models.Model):
     numero = models.PositiveIntegerField(
         blank=False, null=False, verbose_name=_('Número de Protocolo'))
-    ano = models.PositiveSmallIntegerField(
-        blank=False, null=False, verbose_name=_('Ano do Protocolo'))
+    ano = models.PositiveSmallIntegerField(blank=False,
+                                           null=False,
+                                           choices=RANGE_ANOS,
+                                           verbose_name=_('Ano do Protocolo'))
     data = models.DateField()
     hora = models.TimeField()
     timestamp = models.DateTimeField()
diff --git a/relatorios/views.py b/relatorios/views.py
index fef8bb19f..fa0e3b932 100644
--- a/relatorios/views.py
+++ b/relatorios/views.py
@@ -12,9 +12,7 @@ from parlamentares.models import (CargoMesa, ComposicaoMesa, Filiacao,
                                   Parlamentar)
 from protocoloadm.models import (DocumentoAdministrativo, Protocolo,
                                  TramitacaoAdministrativo)
-
 from sapl.utils import UF
-
 from sessao.models import (ExpedienteMateria, ExpedienteSessao, Orador,
                            OradorExpediente, OrdemDia, PresencaOrdemDia,
                            RegistroVotacao, SessaoPlenaria,
diff --git a/sapl/utils.py b/sapl/utils.py
index 189372479..615a6b1e9 100644
--- a/sapl/utils.py
+++ b/sapl/utils.py
@@ -1,3 +1,4 @@
+from datetime import date
 from functools import wraps
 
 from django.apps import apps
@@ -95,3 +96,5 @@ UF = (
         ('TO', 'Tocantins'),
         ('EX', 'Exterior'),
     )
+
+RANGE_ANOS = [(year, year) for year in range(date.today().year, 1889, -1)]