<data>
    <xpath expr="/form/field[@name='carrier_cost_method']" position="after">
        <label name="currency"/>
        <field name="currency"/>
        <newline/>
        <field name="tracking_numbers" colspan="4"/>
    </xpath>
</data>

<data>
    <xpath expr="/form/field[@name='carrier_cost_method']" position="after">
        <label name="currency"/>
        <field name="currency"/>
        <newline/>
        <notebook colspan="4">
            <page id="tracking_numbers" string="Tracking Numbers">
                <field name="tracking_numbers" colspan="4"/>
            </page>
        </notebook>
    </xpath>
</data>

Add tracking numbers to notebook in carrier
Add tracking numbers to notebook in carrier
