diff --git a/sigi/apps/convenios/models.py b/sigi/apps/convenios/models.py
index 9313394..5be3020 100644
--- a/sigi/apps/convenios/models.py
+++ b/sigi/apps/convenios/models.py
@@ -422,14 +422,6 @@ class Convenio(models.Model):
                         )
                     )
                 }
-                if self.data_retorno_assinatura is None:
-                    errors["data_retorno_assinatura"] = ValidationError(
-                        _("Obrigatório para convênios vigentes")
-                    )
-                if self.data_termino_vigencia is None:
-                    errors["data_termino_vigencia"] = ValidationError(
-                        _("Obrigatório para convênios vigentes")
-                    )
                 raise ValidationError(errors)
         else:
             if (
@@ -444,16 +436,7 @@ class Convenio(models.Model):
                         )
                     )
                 }
-                if self.data_retorno_assinatura is not None:
-                    errors["data_retorno_assinatura"] = ValidationError(
-                        _("Não pode ser preenchido para convênios pendentes")
-                    )
-                if self.data_termino_vigencia is not None:
-                    errors["data_termino_vigencia"] = ValidationError(
-                        _("Não pode ser preenchido para convênios pendentes")
-                    )
                 raise ValidationError(errors)
-
         return super().clean()
 
     def save(self, *args, **kwargs):
diff --git a/sigi/apps/utils/templatetags/sigi_tags.py b/sigi/apps/utils/templatetags/sigi_tags.py
index a2e7d31..5bdb000 100644
--- a/sigi/apps/utils/templatetags/sigi_tags.py
+++ b/sigi/apps/utils/templatetags/sigi_tags.py
@@ -48,3 +48,8 @@ def valueof(obj, attr_name):
         for part in attr_name.split("__"):
             obj = getattr(obj, part)
         return str(obj)
+
+
+@register.filter
+def has_errors(obj):
+    return any([obj.form.has_error(field_name) for field_name in obj.fields])
diff --git a/sigi/templates/admin/tabs_change_form.html b/sigi/templates/admin/tabs_change_form.html
index c7c4d21..b1dea14 100644
--- a/sigi/templates/admin/tabs_change_form.html
+++ b/sigi/templates/admin/tabs_change_form.html
@@ -1,5 +1,5 @@
 {% extends "admin/change_form.html" %}
-{% load i18n %}
+{% load i18n sigi_tags %}
 
 {% block extrastyle %}
   {{ block.super }}
@@ -14,12 +14,22 @@
   {% endblock %}
 
 {% block form_top %}
+<p class="errornote">
+  {% if errors|length > 0 %}
+    {% translate "As abas com erro estão marcadas com " %}
+    <i class="material-icons">error</i>
+  {% endif %}
+</p>
+
 <div class="row">
   <div class="col s12">
     <ul class="tabs">
       {% for fieldset in adminform %}
       <li class="tab">
         <a href="#{{ fieldset.name|default:'geral'|slugify }}">
+          {% if fieldset|has_errors %}
+            <i class="material-icons">error</i>
+          {% endif %}
           {{ fieldset.name|default:_("Geral") }}
         </a>
       </li>
@@ -27,6 +37,9 @@
       {% for inline_admin_formset in inline_admin_formsets %}
       <li class="tab">
         <a href="#{{ inline_admin_formset.opts.verbose_name_plural|slugify }}">
+          {% if inline_admin_formset.formset.total_error_count > 0 %}
+            <i class="material-icons">error</i>
+          {% endif %}
           {{ inline_admin_formset.opts.verbose_name_plural|default:_("inline") }}
         </a>
       </li>