diff --git a/crud.py b/crud.py
index 80a2cff5b..9f5ed1cc3 100644
--- a/crud.py
+++ b/crud.py
@@ -62,14 +62,13 @@ def get_field_display(obj, fieldname):
 class CrispyLayoutFormMixin(object):
 
     def get_form_class(self):
-
         layout = self.layout
 
         class CrispyForm(forms.ModelForm):
 
             class Meta:
                 model = self.model
-                exclude = []
+                exclude = self.exclude
 
             def __init__(self, *args, **kwargs):
                 super(CrispyForm, self).__init__(*args, **kwargs)
@@ -254,13 +253,15 @@ class Crud(object):
                  create_mixin=CrudCreateMixin,
                  detail_mixin=CrudDetailMixin,
                  update_mixin=CrudUpdateMixin,
-                 delete_mixin=CrudDeleteMixin):
+                 delete_mixin=CrudDeleteMixin,
+                 exclude=[]):
 
         class CrudMixin(base_mixin):
             pass
         CrudMixin.model = model
         CrudMixin.help_path = help_path
         CrudMixin.layout = layout
+        CrudMixin.exclude = exclude
 
         class CrudListView(CrudMixin, list_mixin, ListView):
             pass
diff --git a/materia/forms.py b/materia/forms.py
index 5c9434a6e..40d62f687 100644
--- a/materia/forms.py
+++ b/materia/forms.py
@@ -513,6 +513,7 @@ class FormularioSimplificadoForm(ModelForm):
                   'em_tramitacao',
                   'ementa',
                   'texto_original']
+        exclude = ['anexadas']
 
     def __init__(self, *args, **kwargs):
 
diff --git a/materia/migrations/0019_auto_20160229_1321.py b/materia/migrations/0019_auto_20160229_1321.py
new file mode 100644
index 000000000..02f0f3e81
--- /dev/null
+++ b/materia/migrations/0019_auto_20160229_1321.py
@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('materia', '0018_merge'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='materialegislativa',
+            name='anexadas',
+            field=models.ManyToManyField(to='materia.MateriaLegislativa', blank=True, related_name='anexo_de', through='materia.Anexada'),
+        ),
+    ]
diff --git a/materia/migrations/0020_auto_20160229_1324.py b/materia/migrations/0020_auto_20160229_1324.py
new file mode 100644
index 000000000..cbe51e7c4
--- /dev/null
+++ b/materia/migrations/0020_auto_20160229_1324.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+from django.utils.timezone import utc
+import datetime
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('materia', '0019_auto_20160229_1321'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='materialegislativa',
+            name='data_apresentacao',
+            field=models.DateField(default=datetime.datetime(2016, 2, 29, 16, 24, 24, 963568, tzinfo=utc), verbose_name='Data Apresentação'),
+            preserve_default=False,
+        ),
+    ]
diff --git a/materia/models.py b/materia/models.py
index 27d7c6716..c41f8c623 100644
--- a/materia/models.py
+++ b/materia/models.py
@@ -65,8 +65,7 @@ class MateriaLegislativa(models.Model):
     ano = models.PositiveSmallIntegerField(verbose_name=_('Ano'))
     numero_protocolo = models.PositiveIntegerField(
         blank=True, null=True, verbose_name=_('Núm. Protocolo'))
-    data_apresentacao = models.DateField(
-        blank=True, null=True, verbose_name=_('Data Apresentação'))
+    data_apresentacao = models.DateField(verbose_name=_('Data Apresentação'))
     tipo_apresentacao = models.CharField(
         max_length=1, blank=True,
         verbose_name=_('Tipo de Apresentação'),
@@ -111,6 +110,7 @@ class MateriaLegislativa(models.Model):
     # XXX novo
     anexadas = models.ManyToManyField(
         'self',
+        blank=True,
         through='Anexada',
         symmetrical=False,
         related_name='anexo_de',
diff --git a/materia/views.py b/materia/views.py
index b0c18a74f..55a660fe5 100644
--- a/materia/views.py
+++ b/materia/views.py
@@ -73,6 +73,7 @@ tipo_fim_relatoria_crud = Crud(
     ])
 
 materia_legislativa_crud = Crud(
+
     MateriaLegislativa, '', [
 
         [_('Identificação Básica'),
@@ -99,7 +100,7 @@ materia_legislativa_crud = Crud(
          [('ementa', 12)],
             [('indexacao', 12)],
             [('observacao', 12)]],
-    ])
+    ],  exclude=['anexadas'])
 
 Anexada_crud = Crud(
     Anexada, '', [