eiru_sale_utility_tool/views/account_sale_term.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
	<data>
		<record id="account_sale_term_sale" model="ir.ui.view">
			<field name="name">account_sale_term.sale</field>
			<field name="model">sale.order</field>
			<field name="inherit_id" ref="sale.view_order_form"/>
			<field name="arch" type="xml">
				<notebook>
					 <page string="Negociacion de venta">
						 <group col="1">
						   <field name="sale_term" nolabel='1'>
                               <tree colors="red:state=='draft';black:state=='posted'" create='false'>
								   <field name="sale_amount" string="Valor de Venta"/>
								   <field name="sale_payments_init" string='Valor de Entrega'/>
								   <field name="sale_residual" string='Saldo'/>
								   <field name="interest_qty" string='Interes %' />
								   <field name="interest_amount" string='Valor del Interes'/>
								   <field name="amount_total" string='Residual + Interes'/>
								   <field name="state" string='Estado'/>
							   </tree>
						   </field>
						 </group>
					 </page>
				</notebook>
			</field>
		</record>
	</data>
</openerp>