clinic/netforce_clinic/layouts/clinic_setting.xml

<form model="clinic.setting" title="Financial Settings">
    <tabs>
        <tab string="Accounting">
            <separator string="Account Setting Medical Govelopment"/>
            <field name="mg_partner_id" />
            <field name="ar_mg_id" />
            <field name="ap_mg_id" />
            <separator string="Account Setting NHSO 30B"/>
            <field name="nhso_partner_id" />
            <field name="ar_nhso_id" />
            <field name="ap_nhso_id" />
            <separator string="Account Setting Social Security"/>
            <field name="sc_partner_id" />
            <field name="ar_sc_id" />
            <field name="ap_sc_id" />
        </tab>
    </tabs>
</form>