tryton/modules/purchase_requisition/view/purchase_requisition_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>
    <label name="employee"/>
    <field name="employee"/>
    <label name="number"/>
    <field name="number"/>
    <label name="description"/>
    <field name="description" colspan="3"/>
    <notebook>
        <page string="Requisition" id="requisition">
            <label name="supply_date"/>
            <field name="supply_date"/>
            <newline/>
            <label name="warehouse"/>
            <field name="warehouse"/>
            <label name="currency"/>
            <field name="currency"/>
            <field name="lines" colspan="4"
                view_ids="purchase_requisition.purchase_requisition_line_view_list_sequence"/>
            <label id="empty" colspan="2"/>
            <group col="2" colspan="2" id="amount" yfill="1">
                <label name="total_amount" xalign="1.0" xexpand="1"/>
                <field name="total_amount" xalign="1.0" xexpand="0"/>
            </group>
        </page>
        <page string="Other Info" id="other_info">
            <label name="company"/>
            <field name="company"/>
            <newline/>
            <label name="approved_by"/>
            <field name="approved_by"/>
            <label name="rejected_by"/>
            <field name="rejected_by"/>
        </page>
    </notebook>
    <label name="state"/>
    <field name="state"/>
    <group col="-1" colspan="2" id="buttons">
        <button name="cancel" icon="tryton-cancel"/>
        <button name="reject" icon="tryton-close"/>
        <button name="draft"/>
        <button name="wait" icon="tryton-forward"/>
        <button name="approve" icon="tryton-ok"/>
        <button name="process"/>
    </group>
</form>