tryton/modules/account_invoice/view/invoice_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 col="6" cursor="party">
    <label name="type"/>
    <field name="type"/>
    <label name="journal"/>
    <field name="journal" widget="selection"/>
    <label name="number"/>
    <field name="number"/>
    <label name="party"/>
    <field name="party"/>
    <label name="invoice_address"/>
    <field name="invoice_address"/>
    <label name="party_tax_identifier" string="Tax Identifier:"/>
    <field name="party_tax_identifier"/>
    <label name="description"/>
    <field name="description" colspan="3"/>
    <label name="reference"/>
    <field name="reference"/>
    <notebook colspan="6">
        <page string="Invoice" id="invoice" col="6">
            <label name="invoice_date"/>
            <field name="invoice_date"/>
            <label name="payment_term"/>
            <field name="payment_term"/>
            <label name="currency"/>
            <field name="currency"/>
            <field name="lines" colspan="6"
                view_ids="account_invoice.invoice_line_view_tree_sequence"/>
            <group col="2" colspan="6" id="taxes_amount_state">
                <field name="taxes"
                    view_ids="account_invoice.invoice_tax_view_tree_sequence"/>
                <group col="4" colspan="1" id="amount_state" yfill="1" yalign="1">
                    <group col="2" colspan="2" id="reconciled_state" yfill="1" yalign="1">
                        <label name="reconciled"/>
                        <field name="reconciled"/>
                        <label name="state"/>
                        <field name="state"/>
                    </group>
                    <group col="2" colspan="2" id="amount" yfill="1" yalign="1">
                        <label name="untaxed_amount" xalign="1.0" xexpand="1"/>
                        <field name="untaxed_amount" xalign="1.0" xexpand="0"/>
                        <label name="tax_amount" xalign="1.0" xexpand="1"/>
                        <field name="tax_amount" xalign="1.0" xexpand="0"/>
                        <label name="total_amount" xalign="1.0" xexpand="1"/>
                        <field name="total_amount" xalign="1.0" xexpand="0"/>
                    </group>
                </group>
            </group>
        </page>
        <page string="Other Info" id="info">
            <label name="company"/>
            <field name="company"/>
            <label name="tax_identifier"/>
            <field name="tax_identifier"/>
            <label name="account"/>
            <field name="account"/>
            <label name="accounting_date"/>
            <field name="accounting_date"/>
            <field name="alternative_payees" colspan="4"/>
            <label name="move"/>
            <field name="move"/>
            <label name="cancel_move"/>
            <field name="cancel_move"/>
            <field name="additional_moves" colspan="4"/>
            <separator name="comment" colspan="4"/>
            <field name="comment" colspan="4"/>
        </page>
        <page string="Payment" id="payment">
            <label name="payment_term_date"/>
            <field name="payment_term_date"/>
            <newline/>
            <label name="amount_to_pay_today"/>
            <field name="amount_to_pay_today"/>
            <label name="amount_to_pay"/>
            <field name="amount_to_pay"/>
            <field name="lines_to_pay" colspan="4" view_ids="account_invoice.move_line_view_list_to_pay"/>
            <group id="lines_to_pay_buttons" colspan="4" col="-1">
                <button name="reschedule_lines_to_pay"/>
                <button name="delegate_lines_to_pay"/>
            </group>
            <field name="payment_lines" colspan="4"
                view_ids="account_invoice.move_line_view_list_payment"/>
            <field name="reconciliation_lines" colspan="4" view_ids="account_invoice.move_line_view_list_payment"/>
        </page>
        <page name="invoice_report_revisions">
            <field name="invoice_report_revisions" colspan="4"/>
        </page>
    </notebook>
    <label id="empty" colspan="3"/>
    <group col="-1" colspan="3" id="buttons">
        <button name="cancel" icon="tryton-cancel"/>
        <button name="draft" icon="tryton-back"/>
        <button name="validate_invoice" icon="tryton-forward"/>
        <button name="post" icon="tryton-ok"/>
        <button name="pay" icon="tryton-forward"/>
        <button name="process" icon="tryton-refresh"/>
    </group>
    <field name="party_lang" invisible="1" colspan="6"/>
</form>