The UK government may seek to devolve (in part or in full) an existing UK tax to Wales this would be subject to consultation with the Welsh Government
Gallai Llywodraeth y DU geisio datganoli (yn rhannol neu’n llawn) un o drethi presennol y DU i Gymru; byddai hyn yn amodol ar ymgynghori â Llywodraeth Cymru