diff --git a/sapl/materia/forms.py b/sapl/materia/forms.py
index 5c038f887..bb91e7dc7 100644
--- a/sapl/materia/forms.py
+++ b/sapl/materia/forms.py
@@ -1411,6 +1411,7 @@ class DevolverProposicaoForm(forms.ModelForm):
         model = Proposicao
         fields = [
             'justificativa_devolucao',
+            'observacao',
         ]
 
     def __init__(self, *args, **kwargs):
@@ -1423,6 +1424,7 @@ class DevolverProposicaoForm(forms.ModelForm):
             Fieldset(
                 _('Registro de Devolução'),
                 to_column(('justificativa_devolucao', 12)),
+                to_column(('observacao', 12)),
                 to_column(
                     (form_actions(label=_('Devolver'),
                                   name='devolver',
@@ -1510,8 +1512,6 @@ class ConfirmarProposicaoForm(ProposicaoForm):
         widgets = {
             'descricao': widgets.Textarea(
                 attrs={'readonly': 'readonly', 'rows': 4}),
-            'observacao': widgets.Textarea(
-                attrs={'readonly': 'readonly', 'rows': 4}),
             'data_envio':  widgets.DateTimeInput(
                 attrs={'readonly': 'readonly'}),
 
diff --git a/sapl/materia/migrations/0033_proposicao_cancelado.py b/sapl/materia/migrations/0033_proposicao_cancelado.py
new file mode 100644
index 000000000..93788c03f
--- /dev/null
+++ b/sapl/materia/migrations/0033_proposicao_cancelado.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.13 on 2018-10-16 10:47
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('materia', '0032_proposicao_observacao'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='proposicao',
+            name='cancelado',
+            field=models.BooleanField(choices=[(True, 'Sim'), (False, 'Não')], default=False, verbose_name='Cancelada ?'),
+        ),
+    ]
diff --git a/sapl/materia/models.py b/sapl/materia/models.py
index f4d10a0e6..9e78092e5 100644
--- a/sapl/materia/models.py
+++ b/sapl/materia/models.py
@@ -280,6 +280,7 @@ class MateriaLegislativa(models.Model):
 
         for p in self.proposicao.all():
             p.conteudo_gerado_related = None
+            p.cancelado = True
             p.save()
 
         return models.Model.delete(
@@ -727,6 +728,9 @@ class Proposicao(models.Model):
         'content_type', 'object_id', verbose_name=_('Conteúdo Gerado'))
     observacao = models.TextField(
         blank=True, verbose_name=_('Observação'))
+    cancelado = models.BooleanField(verbose_name=_('Cancelada ?'),
+                                  choices=YES_NO_CHOICES,
+                                  default=False)
 
     """# Ao ser recebida, irá gerar uma nova matéria ou um documento acessorio
     # de uma já existente