document_incoming_invoice_xml/view/document_incoming_form.xml

<?xml version="1.0"?>
<!-- This file is part of the document-incoming-invoice-xml-module
 from m-ds for Tryton. The COPYRIGHT file at the top level of
 this repository contains the full copyright notices and license terms. -->
<data>

    <xpath expr="/form/field[@name='type']" position="after">
        <label name="xsd_type"/>
        <field name="xsd_type"/>
    </xpath>

</data>