diff --git a/source/app/models/main.py b/source/app/models/main.py
index 774bcf1..34bdcf5 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -1858,6 +1858,12 @@ class MovimientosBanco(BaseModel):
     @classmethod
     def add(cls, values):
         ids = values.pop('ids', '')
+
+        if ids and not Facturas.validate_count_partners(util.loads(ids)):
+            msg = 'Facturas relacionadas a diferentes clientes'
+            data = {'ok': False, 'msg': msg}
+            return data
+
         actualizar = False
         if 'saldo' in values:
             saldo = values['saldo']
@@ -3220,6 +3226,17 @@ class Facturas(BaseModel):
     class Meta:
         order_by = ('fecha',)
 
+    @classmethod
+    def validate_count_partners(cls, ids):
+        filters = (Facturas.id.in_(tuple(ids.keys())))
+        partners = (Facturas.select(fn.COUNT(Facturas.cliente))
+            .where(filters)
+            .group_by(Facturas.cliente)
+            .order_by(Facturas.cliente).tuples())
+        if len(partners) > 1:
+            return False
+        return True
+
     @classmethod
     def cancel(cls, id):
         obj = Facturas.get(Facturas.id==id)
@@ -5279,6 +5296,7 @@ class CfdiPagos(BaseModel):
     notas = TextField(default='')
     error = TextField(default='')
     cancelada = BooleanField(default=False)
+    fecha_cancelacion = DateTimeField(null=True)
 
     class Meta:
         order_by = ('movimiento',)
@@ -5288,6 +5306,46 @@ class CfdiPagos(BaseModel):
         opt = values.pop('opt')
         return getattr(cls, '_{}'.format(opt))(cls, values)
 
+    def _cancel(self, values):
+        id_mov = int(values['id_mov'])
+
+        filters = (
+            (CfdiPagos.movimiento==id_mov) &
+            (CfdiPagos.cancelada==False)
+        )
+        last = CfdiPagos.select().where(filters)
+        if not last:
+            msg = 'El depósito no tiene facturas de pago activas'
+            data = {'ok': False, 'msg': msg}
+            return data
+
+        if len(last) > 1:
+            msg = 'Hay más de una factura activa para este depósito'
+            data = {'ok': False, 'msg': msg}
+            return data
+
+        last = last[0]
+        if not last.uuid:
+            msg = 'La factura no esta timbrada'
+            data = {'ok': False, 'msg': msg}
+            return data
+
+        auth = Emisor.get_auth()
+        cert = Certificado.get_cert()
+
+        data, result = util.cancel_xml(auth, last.uuid, cert)
+        if data['ok']:
+            last.estatus = 'Cancelada'
+            last.error = ''
+            last.cancelada = True
+            last.fecha_cancelacion = result['Fecha']
+            msg = 'Factura cancelada correctamente'
+        else:
+            last.error = msg = data['msg']
+        last.save()
+
+        return {'ok': data['ok'], 'msg': msg, 'id': last.id}
+
     def _get_folio(self, serie):
         folio = int(Configuracion.get_('txt_config_cfdipay_folio') or '0')
         start = (CfdiPagos
@@ -5341,9 +5399,19 @@ class CfdiPagos(BaseModel):
                 data = {'ok': True, 'new': False}
                 return data
 
+        fields = {}
+        filters = (
+            (CfdiPagos.movimiento==id_mov) &
+            (CfdiPagos.cancelada==True)
+        )
+        previous = CfdiPagos.select().where(filters).order_by(CfdiPagos.id.desc())
+        if previous:
+            previous = previous[0]
+            fields['tipo_relacion'] = DEFAULT_CFDIPAY['TYPE_RELATION']
+            fields['uuid_relacionado'] = previous.uuid
+
         emisor = Emisor.select()[0]
         serie = Configuracion.get_('txt_config_cfdipay_serie') or DEFAULT_CFDIPAY['SERIE']
-        fields = {}
         fields['movimiento'] = id_mov
         fields['socio'] = partner
         fields['serie'] = serie
@@ -5417,7 +5485,7 @@ class CfdiPagos(BaseModel):
         if invoice.tipo_relacion:
             related = {
                 'tipo': invoice.tipo_relacion,
-                'cfdis': (invoice.uuid_relacionado,),
+                'cfdis': (str(invoice.uuid_relacionado),),
             }
 
         emisor = {
@@ -7958,6 +8026,10 @@ def _migrate_tables():
         migrations.append(migrator.drop_column('cfdipagos', 'cancelado'))
         migrations.append(migrator.add_column('cfdipagos', 'cancelada', cancelada))
 
+    if not 'fecha_cancelacion' in columns:
+        fecha_cancelacion = DateTimeField(null=True)
+        migrations.append(migrator.add_column('cfdipagos', 'fecha_cancelacion', fecha_cancelacion))
+
     if migrations:
         with database_proxy.atomic() as txn:
             migrate(*migrations)
diff --git a/source/app/settings.py b/source/app/settings.py
index 3051e28..0c1d15c 100644
--- a/source/app/settings.py
+++ b/source/app/settings.py
@@ -164,6 +164,7 @@ DEFAULT_CFDIPAY = {
     'KEYSAT': '84111506',
     'UNITKEY': 'ACT',
     'DESCRIPTION': 'Pago',
+    'TYPE_RELATION': '04',
 }
 DIR_FACTURAS = 'facturas'
 USAR_TOKEN = False
diff --git a/source/static/js/controller/bancos.js b/source/static/js/controller/bancos.js
index 661a0ae..a460135 100644
--- a/source/static/js/controller/bancos.js
+++ b/source/static/js/controller/bancos.js
@@ -893,6 +893,43 @@ function cmd_pay_stamp_click(){
 
 
 function cmd_pay_cancel_click(){
+    var form = $$('form_bank_pay')
+    var values = form.getValues()
+    var data = {'opt': 'cancel', 'id_mov': values.id_mov}
+
+    var grid = $$('grid_cfdi_pay')
+    if(grid.count() == 0){
+        msg_error('El depósito no tiene facturas de pago activas')
+        return
+    }
+
+    msg = '¿Estás seguro de cancelar esta factura?\n\nESTA ACCIÓN NO SE PUEDE DESHACER'
+    webix.confirm({
+        title: 'Cancelar Factura',
+        ok: 'Si',
+        cancel: 'No',
+        type: 'confirm-error',
+        text: msg,
+        callback:function(result){
+            if(result){
+                webix.ajax().post('/cfdipay', data, {
+                    error:function(text, data, XmlHttpRequest){
+                        msg = 'Ocurrio un error, consulta a soporte técnico'
+                        msg_error(msg)
+                    },
+                    success:function(text, data, XmlHttpRequest){
+                        values = data.json();
+                        if(values.ok){
+                            grid.updateItem(values.id, {'estatus': 'Cancelada'})
+                            msg_ok(values.msg)
+                        }else{
+                            msg_error(values.msg)
+                        }
+                    }
+                })
+            }
+        }
+    })
 
 }