to respond to decisions of the courts/tribunals which affect or may affect the operation of the Welsh Tax Acts, or any regulations made under them.
er mwyn ymateb i benderfyniadau’r llysoedd/tribiwnlysoedd sy’n effeithio, neu a allai effeithio ar weithredu Deddfau Trethi Cymru, neu unrhyw reoliadau a wneir oddi tanynt.