Working with the team at the WRA has proven invaluable to the Welsh Treasury, especially with their experience of administration of revenue services and knowledge of tax design.
Mae gweithio gyda thîm ACC wedi bod yn hynod werthfawr i Drysorlys Cymru, yn enwedig gyda'u profiad o weinyddu gwasanaethau refeniw a’u gwybodaeth am ddylunio trethi.