eiru_civil_engineering/views/eiru_construction_account_invoice.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>
        <!-- from eiru_construction_account_invoice-->
        <record id="eiru_construction_account_invoice" model="ir.ui.view">
            <field name="name">eiru_construction.account_invoice</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.invoice_form"/>
            <field name="arch" type="xml">
                <!-- Orden -->
                <field name="fiscal_position" position="after">
                    <field name='construction_order_id' options="{'no_create': True}"  attrs="{'invisible': [('type', '!=', 'out_invoice')]}"/>
                </field>
            </field>
        </record>
        <!-- from expenses eiru_construction_account_invoice -->
        <record id="eiru_construction_expenses_account_invoice" model="ir.ui.view">
            <field name="name">eiru_construction_expenses.account_invoice</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.invoice_supplier_form"/>
            <field name="arch" type="xml">
                <notebook>
                    <page string="Constructora">
                        <group col="2">
                            <group>
                                <field name='construction_order_id' options="{'no_create': True}"/>
                            </group>
                            <group>
                                <div class='eiru-task-expenses-add'  attrs="{'invisible': [('state', '=', 'draft')]}"></div>
                            </group>
                        </group>
                        <notebook>
                            <page string="Tareas y Actividad">
                                <group col="1">
                                     <!-- options="{'no_create': True} -->
                                    <field name="expenses_ids" nolabel="1">
                                        <tree create="false">
                                            <field name="code" string="Codigo"/>
                                            <field name="name" string="Tareas"/>
                                            <field name="invoice_line_id" string="Producto"/>
                                            <field name="quantity" string="Cantidad"/>
                                            <field name="price_unit" string="Precio"/>
                                            <field name="amount_total" string="Total"/>
                                        </tree>
                                    </field>
                                </group>
                            </page>
                        </notebook>
                    </page>
                </notebook>
            </field>
        </record>
    </data>
</openerp>