tryton/modules/purchase_request/view/purchase_request_form.xml

<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<form>
    <notebook colspan="4">
        <page string="Product Info" id="product">
            <label name="product"/>
            <field name="product"/>
            <newline/>
            <label name="quantity"/>
            <field name="quantity"/>
            <label name="unit"/>
            <field name="unit"/>
            <label name="computed_quantity"/>
            <field name="computed_quantity"/>
            <label name="computed_unit"/>
            <field name="computed_unit"/>
            <separator name="description" colspan="4"/>
            <field name="description" colspan="4"/>
        </page>
        <page string="Supply Info" id="supply">
            <label name="party"/>
            <field name="party"/>
            <newline/>
            <label name="warehouse"/>
            <field name="warehouse"/>
            <label name="company"/>
            <field name="company"/>
            <label name="purchase_date"/>
            <field name="purchase_date"/>
            <label name="supply_date"/>
            <field name="supply_date"/>
            <label name="purchased_by"/>
            <field name="purchased_by"/>
            <label name="purchase"/>
            <field name="purchase"/>
            <label name="stock_level"/>
            <field name="stock_level" symbol="default_uom"/>
            <label name="origin"/>
            <field name="origin"/>
        </page>
    </notebook>
    <label name="state"/>
    <field name="state"/>
    <group col="-1" colspan="2" id="buttons">
        <button name="handle_purchase_cancellation_exception"
            icon="tryton-forward"/>
    </group>
</form>