Pasiwyd Bil Deddfau Trethi Cymru etc. (Pŵer i Addasu) gan y Senedd ar 12 Gorffennaf 2022 a chafodd y Cydsyniad Brenhinol ar 8 Medi.
The Welsh Tax Acts etc. (Power to Modify) Bill was passed by the Senedd on 12 July 2022 and received Royal Assent on 8 September.