to enrol your Business Party, enter the Business Party Id, Postcode and Activation code sent to you on the enrolment letter and select Submit
i gofrestru eich Parti Busnes, rhowch y Rhif Adnabod Parti Busnes, y Cod Post a’r Cod Gweithredu a anfonwyd atoch yn y llythyr cofrestru a dewiswch Cyflwyno