diff --git a/source/app/models/main.py b/source/app/models/main.py
index 9bf608c..462a654 100644
--- a/source/app/models/main.py
+++ b/source/app/models/main.py
@@ -466,7 +466,7 @@ class Configuracion(BaseModel):
             'chk_config_codigo_barras',
             'chk_config_precio_con_impuestos',
             'chk_llevar_inventario',
-            'chk_use_packing',
+            # ~ 'chk_use_packing',
             'chk_multi_stock',
         )
         data = (Configuracion
@@ -4724,15 +4724,15 @@ class Facturas(BaseModel):
         for k, v in receptor.items():
             values['receptor'][k] = v
 
-        use_packing = Configuracion.get_bool('chk_use_packing')
-        if use_packing:
-            w = FacturasDetalle.factura == invoice
-            q = (FacturasDetalle
-                    .select(FacturasDetalle.empaques)
-                    .where(w)
-                    .order_by(FacturasDetalle.id.asc())
-                    .tuples())
-            values['pakings'] = [str(int(r[0])) for r in q]
+        # ~ use_packing = Configuracion.get_bool('chk_use_packing')
+        # ~ if use_packing:
+            # ~ w = FacturasDetalle.factura == invoice
+            # ~ q = (FacturasDetalle
+                    # ~ .select(FacturasDetalle.empaques)
+                    # ~ .where(w)
+                    # ~ .order_by(FacturasDetalle.id.asc())
+                    # ~ .tuples())
+            # ~ values['pakings'] = [str(int(r[0])) for r in q]
 
         return values
 
@@ -5303,7 +5303,7 @@ class Facturas(BaseModel):
         tax_locales = Configuracion.get_bool('chk_config_tax_locales')
         tax_locales_truncate = Configuracion.get_bool('chk_config_tax_locales_truncate')
         tax_decimals = Configuracion.get_bool('chk_config_tax_decimals')
-        use_packing = Configuracion.get_bool('chk_use_packing')
+        # ~ use_packing = Configuracion.get_bool('chk_use_packing')
 
         subtotal = 0
         descuento_cfdi = 0
diff --git a/source/static/js/controller/products.js b/source/static/js/controller/products.js
index c7b31c5..b550808 100644
--- a/source/static/js/controller/products.js
+++ b/source/static/js/controller/products.js
@@ -19,7 +19,7 @@ function products_default_config(){
             if(cfg_products['inventario']){
                 $$('grid_products').showColumn('existencia')
             }
-            show('cant_by_packing', values.chk_use_packing)
+            //~ show('cant_by_packing', values.chk_use_packing)
             show('cmd_show_exists', values.chk_multi_stock)
         }
     })
diff --git a/source/static/js/ui/products.js b/source/static/js/ui/products.js
index eeb3472..0f8be60 100644
--- a/source/static/js/ui/products.js
+++ b/source/static/js/ui/products.js
@@ -111,6 +111,13 @@ var suggest_sat_producto = {
 }
 
 
+var opt_tax_object = [
+    {id: '01', value: '[01] No objeto de impuesto.'},
+    {id: '02', value: '[02] Sí objeto de impuesto.'},
+    {id: '03', value: '[03] Sí objeto del impuesto y no obligado al desglose.'},
+]
+
+
 var controls_generals = [
     {view: 'checkbox', id: 'es_activo_producto', name: 'es_activo_producto',
         label: 'Activo: ', value: true,
@@ -141,10 +148,14 @@ var controls_generals = [
         {view: "richselect", id: "unidad", name: "unidad", label: "Unidad",
             width: 300, labelWidth: 130, labelAlign: "right", required: true,
             invalidMessage: "La Unidad es requerida", options: []},
-        {view: 'text', id: 'cant_by_packing', name: 'cant_by_packing',
-            labelAlign: 'right', labelWidth: 150, inputAlign: "right",
-            label: 'Cantidad por empaque:'},
+        {view: 'richselect', id: 'lst_tax_object', label: 'Objeto de Impuestos',
+            width: 500, labelWidth: 130, labelAlign: "right", required: true,
+            invalidMessage: 'Este campo es requerido', options: opt_tax_object},
         {},
+        //~ {view: 'text', id: 'cant_by_packing', name: 'cant_by_packing',
+            //~ labelAlign: 'right', labelWidth: 150, inputAlign: "right",
+            //~ label: 'Cantidad por empaque:'},
+        //~ {},
         //~ {view: 'text', id: 'tags_producto', name: 'tags_producto',
             //~ labelAlign: 'right', label: 'Etiquetas',
             //~ placeholder: 'Separadas por comas'}