diff --git a/__init__.py b/__init__.py
index 9a663d3..d1743f6 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,6 +2,8 @@ from trytond.pool import Pool
 from . import party
 from . import country
 from . import rut
+from . import configuration
+from . import account
 
 __all__ = ['register']
 
@@ -14,6 +16,8 @@ def register():
         party.Address,
         country.Subdivision,
         rut.TaxLevelCode,
+        configuration.Configuration,
+        account.Move,
         module='account_co_co', type_='model')
     Pool.register(
         module='account_co_co', type_='wizard')
diff --git a/account.py b/account.py
new file mode 100644
index 0000000..d4c33f3
--- /dev/null
+++ b/account.py
@@ -0,0 +1,29 @@
+from trytond.pool import  Pool, PoolMeta
+
+__all__ = ['Move']
+
+class Move(metaclass=PoolMeta):
+    __name__ = 'account.move'
+
+    @classmethod
+    def create(cls, vlist):
+        pool = Pool()
+        Sequence = pool.get('ir.sequence')
+        Journal = pool.get('account.journal')
+        Account_Configuration = pool.get('account.configuration')
+        configuration = Account_Configuration(1)
+        draft_default = configuration.default_draft_sequence
+        
+        vlist = [x.copy() for x in vlist]
+        for vals in vlist:
+            if not vals.get('number'):
+                journal_id = (vals.get('journal')
+                        or Transaction().context.get('journal'))
+                if journal_id:
+                    journal = Journal(journal_id)
+                    if journal.sequence:
+                        vals['number'] = Sequence.get_id(draft_default.id)
+
+        moves = super(Move, cls).create(vlist)
+        cls.validate_move(moves)
+        return moves
diff --git a/configuration.py b/configuration.py
new file mode 100644
index 0000000..2e386a0
--- /dev/null
+++ b/configuration.py
@@ -0,0 +1,10 @@
+from trytond.model import fields
+from trytond.pool import PoolMeta
+
+__all__ = ['Configuration']
+
+class Configuration(metaclass=PoolMeta):
+    __name__ = 'account.configuration'
+
+    default_draft_sequence = fields.Many2One(
+        'ir.sequence', "Draft Sequence")
diff --git a/configuration.xml b/configuration.xml
new file mode 100644
index 0000000..3208e50
--- /dev/null
+++ b/configuration.xml
@@ -0,0 +1,10 @@
+<?xml version='1.0'?>
+<tryton>
+    <data>
+	<record model="ir.ui.view" id="configuration_view_form">
+	    <field name="model">account.configuration</field>
+	    <field name="inherit" ref="account.configuration_view_form"/>
+	    <field name="name">configuration_form</field>	    
+	</record>
+    </data>
+</tryton>
diff --git a/locale/es.po b/locale/es.po
index 9f703c7..12adb23 100644
--- a/locale/es.po
+++ b/locale/es.po
@@ -50,6 +50,10 @@ msgctxt "field:party.party,type_person:"
 msgid "Type Person"
 msgstr "Tipo de Persona"
 
+msgctxt "field:account.configuration,default_draft_sequence:"
+msgid "Draft Sequence"
+msgstr "Secuencia Borrador"
+
 msgctxt "view:party.party:"
 msgid "Economic Activity"
 msgstr "Actividad Económica"
diff --git a/tryton.cfg b/tryton.cfg
index 5834222..318d0c4 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -4,6 +4,7 @@ depends:
     ir
     party
     country
+    account
 xml:
     party.xml
     address.xml
@@ -13,3 +14,4 @@ xml:
     municipalities_colombia.xml
     address_subdivision_types_colombia.xml
     tipo_responsabilidad.xml
+    configuration.xml
\ No newline at end of file
diff --git a/view/configuration_form.xml b/view/configuration_form.xml
new file mode 100644
index 0000000..32b4013
--- /dev/null
+++ b/view/configuration_form.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="/form/field[@name='default_supplier_tax_rule']"
+        position="after">
+    <label name="default_draft_sequence"/>
+    <field name="default_draft_sequence"/>
+    </xpath>
+</data>