diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5e4557..9915807 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 v 1.45.1 [20-Ene-2022]
 ----------------------
     - Error: Al enviar correos con la nueva configuración
-    - Error: Al cancelar CFDI
+
 
 * IMPORTANTE: Revisa tu configuración de correo para verificar que todo funcione.
 
diff --git a/source/app/controllers/pacs/comerciodigital/comercio.py b/source/app/controllers/pacs/comerciodigital/comercio.py
index 595624b..8976496 100644
--- a/source/app/controllers/pacs/comerciodigital/comercio.py
+++ b/source/app/controllers/pacs/comerciodigital/comercio.py
@@ -24,7 +24,8 @@ import lxml.etree as ET
 import requests
 from requests.exceptions import ConnectionError
 
-from .conf import DEBUG, AUTH
+from .conf import DEBUG
+# ~ , AUTH
 
 
 LOG_FORMAT = '%(asctime)s - %(levelname)s - %(message)s'
@@ -107,9 +108,9 @@ class PACComercioDigital(object):
             pretty_print=True, doctype='<?xml version="1.0" encoding="utf-8"?>')
         return xml
 
-    def stamp(self, cfdi, auth={}):
-        if DEBUG or not auth:
-            auth = AUTH
+    def stamp(self, cfdi, auth):
+        # ~ if DEBUG or not auth:
+            # ~ auth = AUTH
 
         url = self.URL['timbra']
         headers = {
@@ -147,7 +148,7 @@ class PACComercioDigital(object):
         return data
 
     def _get_data_cancel(self, cfdi, info, auth):
-        info['pass'] = '12345678a'
+        info['pass'] = ''
         info['tipo'] = 'cfdi'
         info['key'] = base64.b64encode(info['key']).decode()
         info['cer'] = base64.b64encode(info['cer']).decode()
@@ -190,9 +191,9 @@ class PACComercioDigital(object):
         )
         return '\n'.join(data)
 
-    def cancel(self, cfdi, info, auth={}):
-        if DEBUG or not auth:
-            auth = AUTH
+    def cancel(self, cfdi, info, auth):
+        # ~ if DEBUG or not auth:
+            # ~ auth = AUTH
         url = self.URL['cancel']
         data = self._get_data_cancel(cfdi, info, auth)
 
@@ -245,9 +246,9 @@ class PACComercioDigital(object):
 
         return headers
 
-    def cancel_xml(self, xml, auth={}, cfdi='', info={'tipo': 'cfdi'}):
-        if DEBUG or not auth:
-            auth = AUTH
+    def cancel_xml(self, xml, auth, cfdi='', info={'tipo': 'cfdi'}):
+        # ~ if DEBUG or not auth:
+            # ~ auth = AUTH
 
         url = self.URL['cancelxml']
         headers = self._get_headers_cancel_xml(cfdi, info, auth)
@@ -272,9 +273,9 @@ class PACComercioDigital(object):
         }
         return data
 
-    def status(self, data, auth={}):
-        if not auth:
-            auth = AUTH
+    def status(self, data, auth):
+        # ~ if not auth:
+            # ~ auth = AUTH
         url = self.URL['status']
 
         data = (
@@ -323,8 +324,8 @@ class PACComercioDigital(object):
 
         return '\n'.join(data)
 
-    def client_add(self, data):
-        auth = AUTH
+    def client_add(self, data, auth):
+        # ~ auth = AUTH
         url = self.URL['client']
         data = self._get_data_client(auth, data)
 
@@ -371,9 +372,9 @@ class PACComercioDigital(object):
 
         return result.text
 
-    def client_add_timbres(self, data, auth={}):
-        if not auth:
-            auth = AUTH
+    def client_add_timbres(self, data, auth):
+        # ~ if not auth:
+            # ~ auth = AUTH
         url = self.URL['timbres']
         data = '\n'.join((
             f"usr_ws={auth['user']}",
diff --git a/source/app/controllers/utils.py b/source/app/controllers/utils.py
index 26cccc1..6886885 100644
--- a/source/app/controllers/utils.py
+++ b/source/app/controllers/utils.py
@@ -779,7 +779,8 @@ def _cancel_with_cert(invoice, args, auth, certificado):
 
 
 def cancel_xml_sign(invoice, args, auth, certificado):
-    if DEBUG:
+    # ~ if DEBUG:
+    if auth['pac'] == 'finkok':
         return _cancel_with_cert(invoice, args, auth, certificado)
 
     cert = SATCertificate(certificado.cer, certificado.key_enc.encode())
@@ -788,6 +789,7 @@ def cancel_xml_sign(invoice, args, auth, certificado):
         'rfc': certificado.rfc,
         'fecha': now().isoformat()[:19],
         'uuid': str(invoice.uuid).upper(),
+        'motivo': args['reason'],
     }
     template = TEMPLATE_CANCEL.format(**data)
     tree = ET.fromstring(template.encode())
diff --git a/source/app/settings.py b/source/app/settings.py
index 89a6391..811f78f 100644
--- a/source/app/settings.py
+++ b/source/app/settings.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 # ~ Empresa Libre
-# ~ Copyright (C) 2016-2018  Mauricio Baeza Servin (web@correolibre.net)
+# ~ Copyright (C) 2016-2018  Mauricio Baeza Servin (publico@cuates.net)
 # ~
 # ~ This program is free software: you can redistribute it and/or modify
 # ~ it under the terms of the GNU General Public License as published by
@@ -258,7 +258,7 @@ DEFAULT_GLOBAL = {
 
 TEMPLATE_CANCEL = """<Cancelacion xmlns="http://cancelacfd.sat.gob.mx" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" RfcEmisor="{rfc}" Fecha="{fecha}">
   <Folios>
-    <UUID>{uuid}</UUID>
+    <Folio UUID={uuid} Motivo={motivo}/>
   </Folios>
   <Signature xmlns="http://www.w3.org/2000/09/xmldsig#">
     <SignedInfo>