partner_extra_data_contract/partner_extra_data_contract_view.xml

<?xml version="1.0"?>
<openerp>
    <data>
        <record id="res_partner_extra_data_contract" model="ir.ui.view">
            <field name="name">res.partner.extra.data.contract</field>
            <field name="model">account.analytic.account</field>
            <field name="inherit_id" ref="analytic.view_account_analytic_account_form"/>
            <field name="arch" type="xml">
                <page string="Contract Information" position="after">
                    <page name="affiliate" string="Afiliados">

                        <group name="affiliate" string="Afiliados">
                            <field name="affiliate_ids" nolabel="1" mode="tree">
                                <tree string="Referencias Afiliados">
                                    <field name="partner_id" on_change="onchange_partner_id(partner_id)" domain="[('customer','=',True)]" context="{'search_default_customer':1, 'show_address': 1}" options='{"always_reload": True}' required="1"/>
                                    <field name="ruc"/>
                                    <field name="phone"/>
                                    <field name="mobile"/>
                                </tree>
                            </field>
                       </group>
                    </page>
                </page>


            </field>
        </record>

        <record id="tree_account_analytic_account_affiliate" model="ir.ui.view">
            <field name="name">account.analytic.account.affiliate.tree</field>
            <field name="model">account.analytic.account.affiliate</field>
            <field name="arch" type="xml">
                <tree string="Afiliados" editable="bottom">
                    <field name="partner_id"/>
                    <field name="ruc"/>
                    <field name="mobile"/>
                    <field name="phone"/>
                </tree>
            </field>
        </record>

        <record id="search_account_analytic_account_affiliate" model="ir.ui.view">
            <field name="name">account.analytic.account.affiliate.search</field>
            <field name="model">account.analytic.account.affiliate</field>
            <field name="arch" type="xml">
                <search string="Afiliados">
                    <field name="partner_id"/>
                    <field name="ruc"/>
                    <field name="mobile"/>
                    <field name="phone"/>
                </search>
            </field>
        </record>

        <record id="form_account_analytic_account_affiliate" model="ir.ui.view">
            <field name="name">account.analytic.account.affiliate.form</field>
            <field name="model">account.analytic.account.affiliate</field>
            <field name="arch" type="xml">
                <form string="Afiliados">
                    <sheet>
                        <group>
                            <field name="partner_id"/>
                            <field name="ruc"/>
                            <field name="mobile"/>
                            <field name="phone"/>
                        </group>
                    </sheet>
                </form>
            </field>
        </record>

        <record id="action_account_analytic_account_affiliate" model="ir.actions.act_window">
            <field name="name">Afiliados</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">account.analytic.account.affiliate</field>
            <field name="view_type">form</field>
            <field name="view_mode">tree,form</field>
            <field name="search_view_id" ref="search_account_analytic_account_affiliate"/>
        </record>


    </data>
</openerp>