The 9 month digital project was led by the Welsh Government’s Digital and Future ICT teams, as part of a wider 2-year implementation programme to establish the new tax authority for Wales.
Arweiniwyd y prosiect digidol naw mis gan dimau Digidol a TGCh y Dyfodol Llywodraeth Cymru, fel rhan o raglen weithredu ddwy flynedd ehangach i sefydlu’r awdurdod trethi newydd ar gyfer Cymru.