diff --git a/sapl/parlamentares/migrations/0011_auto_20171010_1433.py b/sapl/parlamentares/migrations/0011_auto_20171010_1433.py
new file mode 100644
index 000000000..bba5cfc99
--- /dev/null
+++ b/sapl/parlamentares/migrations/0011_auto_20171010_1433.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.3 on 2017-10-10 17:33
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('parlamentares', '0010_corrige_data_inicio_mandato'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='mandato',
+            name='data_inicio_mandato',
+            field=models.DateField(null=True, verbose_name='Início do Mandato'),
+        ),
+    ]
diff --git a/sapl/parlamentares/models.py b/sapl/parlamentares/models.py
index 64ae92c8e..36b19158b 100644
--- a/sapl/parlamentares/models.py
+++ b/sapl/parlamentares/models.py
@@ -453,7 +453,7 @@ class Mandato(models.Model):
     # TODO what is this field??????
     tipo_causa_fim_mandato = models.PositiveIntegerField(blank=True, null=True)
     data_inicio_mandato = models.DateField(verbose_name=_('Início do Mandato'),
-                                           blank=True,
+                                           blank=False,
                                            null=True)
     data_fim_mandato = models.DateField(verbose_name=_('Fim do Mandato'),
                                         blank=True,