set_paraguay/account_move_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record model="ir.ui.view" id="account_invoice_form2">
            <field name="name">account.invoice.form</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.invoice_form"/>
            <field name="arch" type="xml">
              <xpath expr="//field[@name='date_invoice']" position="after">
                    <field name="numero_factura"/>
                    <field name="sucursal"/>
                    <field name="sec"/>
                    <field name="nro_actual"/>
                    <field name="metodo_pago"/>
                    <!-- <field name="despacho" options="{'no_quick_create': True, 'no_open': True}" attrs="{'invisible':[('importacion_gasto','!=',True)],'required':[('importacion_gasto','=',True)]}" domain="[('state','=','draft')]"/> -->
                    <!-- <field name="partner_no_despachante" options="{'no_quick_create': True, 'no_open': True}" attrs="{'invisible':[('importacion_gasto','!=',True)]}"/> -->
              </xpath>

              <field name="fiscal_position" position="after">
                  <!-- Visible solo para facturas de cliente y notas de crédito de cliente -->
                  <field name="talonario_id"
                         string="Talonario"
                         attrs="{
                           'invisible': [('type','not in',['out_invoice','out_refund'])],
                           'required':  [('type','in',['out_invoice','out_refund'])]
                         }"
                         domain="[('activo','=',True)]"/>
                  <field name="timbrado_name" string="Timbrado"
                         attrs="{'invisible': [('type','not in',['out_invoice','out_refund'])]}"/>
                  <field name="fecha_final"
                         attrs="{'invisible': [('type','not in',['out_invoice','out_refund'])]}"/>
                  <field name="nro_fin"
                         attrs="{'invisible': [('type','not in',['out_invoice','out_refund'])]}"/>
              </field>

          </field>
        </record>
        <record model="ir.ui.view" id="account_invoice_search_timbrado">
            <field name="name">account.invoice.search.timbrado</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.view_account_invoice_filter" />
            <field name="arch" type="xml">
                <field name="number" position="after">
                    <field name="talonario_id" string="Timbrado" filter_domain="[('talonario_id','ilike',self)]"/>
                </field>
            </field>
        </record>
    </data>
</openerp>