account-financial-tools/account_credit_control/account_view.xml

<openerp>
  <data>

    <record id="account_followup_form_view" model="ir.ui.view">
      <field name="name">account.followup.form.view</field>
      <field name="model">account.account</field>
      <field name="inherit_id" ref="account.view_account_form" />
      <field name="type">form</field>
      <field name="arch" type="xml">
        <field name="reconcile" position="after">
            <field name="credit_policy_id"   groups="account_credit_control.group_account_credit_control_manager,account_credit_control.group_account_credit_control_user"/>
        </field>
      </field>
    </record>

    <act_window
        id="act_account_credit_relation_relation"
        name="Credit Lines"
        groups="account_credit_control.group_account_credit_control_manager,account_credit_control.group_account_credit_control_user"
        domain="[('account_id', '=', active_id)]"
        res_model="credit.control.line"
        src_model="account.account"/>

    <record id="invoice_followup_form_view" model="ir.ui.view">
      <field name="name">invoice.followup.form.view</field>
      <field name="model">account.invoice</field>
      <field name="inherit_id" ref="account.invoice_form" />
      <field name="type">form</field>
      <field name="arch" type="xml">
        <notebook position="inside">
        <page string="Credit control"
                 groups="account_credit_control.group_account_credit_control_manager,account_credit_control.group_account_credit_control_user,group_account_credit_control_info">
            <field name="credit_policy_id"/>
            <field name="credit_control_line_ids" colspan="4" nolabel="1"/>
          </page>
        </notebook>
      </field>
    </record>

  </data>
</openerp>