The Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Act (LTTA) received Royal Assent on 24 May 2017.
Cafodd Deddf Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) 2017 (‘DTTT’) Gydsyniad Brenhinol ar 24 Mai 2017.