diff --git a/source/app/controllers/cfdi_xml.py b/source/app/controllers/cfdi_xml.py
index c06682d..c605617 100644
--- a/source/app/controllers/cfdi_xml.py
+++ b/source/app/controllers/cfdi_xml.py
@@ -307,6 +307,7 @@ class CFDI(object):
         return
 
     def _receptor(self, datos):
+        datos['Nombre'] = datos['Nombre'].upper()
         node_name = '{}:Receptor'.format(self._pre)
         emisor = ET.SubElement(self._cfdi, node_name, datos)
         return
diff --git a/source/app/models/main.py b/source/app/models/main.py
index e1c9a7b..d91213d 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -1761,7 +1761,7 @@ class SATImpuestos(BaseModel):
             tipo = 'R'
 
         row = {
-            'key': IMPUESTOS.get(values['impuesto']),
+            'key': IMPUESTOS.get(values['impuesto'], '000'),
             'name': values['impuesto'],
             'tipo': tipo,
             'tasa': abs(tasa),
diff --git a/source/static/js/ui/admin.js b/source/static/js/ui/admin.js
index 1da6d3e..98af3a6 100644
--- a/source/static/js/ui/admin.js
+++ b/source/static/js/ui/admin.js
@@ -1166,6 +1166,7 @@ var admin_taxes = [
     'CEDULAR',
     'CMIC',
     'SUPERVISION',
+    'MANO DE OBRA',
 ]
 
 var admin_sat_impuestos = {cols: [{maxWidth: 15},