If the grant of the lease has already been notified and additional tax becomes due, notification should be made by letter to Birmingham Stamp Taxes – see SDLTM 12050 paragraph 2.
Os hysbyswyd am roi’r les eisoes, ac mae’n rhaid talu mwy o dreth, dylid hysbysu drwy lythyr i Drethi Stampiau Birmingham – gweler paragraff 2 SDLTM 12050.