<odoo>
    <data noupdate="1">
        <record id="fr_and_mc" model="res.country.group">
            <field name="name">France and Monaco</field>
            <field name="code">FR-MC</field>
            <field name="country_ids" eval="[Command.set([ref('base.fr'), ref('base.mc')])]"/>
        </record>
    </data>
</odoo>
