tipo_cobro_fields/tipo_cobro_fields_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record id="view_tipo_cobro_form" model="ir.ui.view">
            <field name="name">account.analytic.account.inherit</field>
            <field name="model">account.analytic.account</field>
            <field name="inherit_id" ref="analytic.view_account_analytic_account_form"/>
            <field name="arch" type="xml">
                <field name="manager_id" position="after">
                    <field name="tipo_cobro"/>
                </field>
            </field>
        </record>

        <record id="view_tipo_cobro_search1" model="ir.ui.view">
            <field name="name">account.analytic.account.filter.search1</field>
            <field name="model">account.analytic.account</field>
            <field name="inherit_id" ref="account_analytic_analysis.view_account_analytic_account_overdue_search" />
            <field name="arch" type="xml">
              <search>
                  <separator/>
                    <filter name="tipo_cobro" string="Vence dia 1" domain="[('tipo_cobro','=','1')]"/>
                    <filter name="tipo_cobro" string="Vence dia 15" domain="[('tipo_cobro','=','15')]"/>
               </search>
            </field>
        </record>

    </data>
</openerp>