diff --git a/source/app/controllers/util.py b/source/app/controllers/util.py
index 9637b32..a73090d 100644
--- a/source/app/controllers/util.py
+++ b/source/app/controllers/util.py
@@ -864,8 +864,17 @@ def get_qr(data):
     return path
 
 
-def _comprobante(values, options):
-    data = CaseInsensitiveDict(values)
+def _get_relacionados(doc, version):
+    node = doc.find('{}CfdiRelacionados'.format(PRE[version]))
+    if node is None:
+        return ''
+
+    uuids = ['UUID: {}'.format(n.attrib['UUID']) for n in node.getchildren()]
+    return '\n'.join(uuids)
+
+
+def _comprobante(doc, options):
+    data = CaseInsensitiveDict(doc.attrib.copy())
     del data['certificado']
 
     data['totalenletras'] = to_letters(float(data['total']), data['moneda'])
@@ -884,6 +893,8 @@ def _comprobante(values, options):
             data['condicionesdepago'] = \
                 'Condiciones de pago: {}'.format(data['condicionesdepago'])
         data['moneda'] = options['moneda']
+        data['tiporelacion'] = options.get('tiporelacion', '')
+        data['relacionados'] = _get_relacionados(doc, data['version'])
     else:
         fields = {
             'formaDePago': 'Forma de Pago: {}\n',
@@ -1052,7 +1063,7 @@ def _timbre(doc, version, values):
 def get_data_from_xml(invoice, values):
     data = {'cancelada': invoice.cancelada}
     doc = parse_xml(invoice.xml)
-    data['comprobante'] = _comprobante(doc.attrib.copy(), values)
+    data['comprobante'] = _comprobante(doc, values)
     version = data['comprobante']['version']
     data['emisor'] = _emisor(doc, version, values)
     data['receptor'] = _receptor(doc, version, values)
diff --git a/source/app/models/main.py b/source/app/models/main.py
index c37721a..2a353a1 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -1309,6 +1309,12 @@ class Facturas(BaseModel):
         obj = SATMonedas.get(SATMonedas.key==invoice.moneda)
         values['moneda'] = str(obj)
 
+        if invoice.tipo_relacion:
+            obj = SATTipoRelacion.get(SATTipoRelacion.key==invoice.tipo_relacion)
+            values['tiporelacion'] = str(obj)
+
+        print ('\nTR', invoice.tipo_relacion)
+
         return values
 
     @classmethod