<?xml version="1.0"?>
<list string="Carrier">
                <field name="sequence" widget="handle"/>
                <field name="name"/>
                <field name="delivery_type"/>
                <field name="company_id" groups="base.group_multi_company"/>
                <field name="country_ids" widget="many2many_tags" optional="hide"/>
                <field name="max_weight" optional="show"/>
                <field name="max_volume" optional="hide"/>
                <field name="must_have_tag_ids" widget="many2many_tags" optional="hide"/>
                <field name="excluded_tag_ids" widget="many2many_tags" optional="hide"/>
            </list>
        