diff --git a/satcfdi/catalogs/__init__.py b/satcfdi/catalogs/__init__.py
index 53b272fb..c0c5b930 100644
--- a/satcfdi/catalogs/__init__.py
+++ b/satcfdi/catalogs/__init__.py
@@ -75,5 +75,3 @@ def trans(k):
         return split_at_upper(k)
     finally:
         c.close()
-
-
diff --git a/satcfdi/render/templates/Conceptos.html b/satcfdi/render/templates/Conceptos.html
index 8b07fd36..586caef3 100644
--- a/satcfdi/render/templates/Conceptos.html
+++ b/satcfdi/render/templates/Conceptos.html
@@ -51,8 +51,13 @@ <h5>Conceptos</h5>
 						<td>{% if loop.first %}<b>+&nbsp;Traslados</b>{% endif %}</td>
 						<td>{{ v.Base }}</td>
 						<td>{{ v.Impuesto | desc }}</td>
+						{% if v.TipoFactor == 'Exento' %}
+						<td>Exento</td>
+						<td></td>
+						{% else %}
 						<td>{{ tasa_cuota( v.TipoFactor, v.TasaOCuota) }}</td>
 						<td>{{ v.Importe }}</td>
+						{% endif %}
 					</tr>
 					{% endfor %}
 					{% endif %}
@@ -100,8 +105,13 @@ <h5>Conceptos</h5>
 			{% endif %}
 		</td>
 		<td>{{ v.Impuesto | desc }}</td>
+		{% if v.TipoFactor == 'Exento' %}
+		<td>Exento</td>
+		<td></td>
+		{% else %}
 		<td>{{ tasa_cuota( v.TipoFactor, v.TasaOCuota) }}</td>
 		<td>{{ v.Importe }}</td>
+		{% endif %}
 	</tr>
 	{% endfor %}
 	{% endif %}