Cafodd y Bil Treth Trafodiadau Tir a Gwrthweithio Osgoi Trethi Datganoledig (Cymru) ei gyflwyno yn y Cynulliad Cenedlaethol ar 12 Medi 2016.
The Land Transaction Tax and Anti-avoidance of Devolved Taxes (Wales) Bill was introduced to the National Assembly on 12 September 2016.