contract/__unported__/project_sla/analytic_account_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <record id="view_account_analytic_account_form_sla" model="ir.ui.view">
            <field name="name">view_account_analytic_account_form_sla</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 name="contract_page" position="after">
                  <page name="sla_page" string="Service Level Agreement">
                     <field name="sla_ids" nolabel="1"/>
                     <button name="reapply_sla" string="Reapply" type="object"
                       help="Reapply the SLAs to all Contract's documents."
                       groups="project.group_project_manager" />
                  </page>
                </page>

           </field>
        </record>

    </data>
</openerp>