HMRC and the Welsh Government will work together to ensure that the table below (and the separate associated detailed list of tasks) is kept up to date and agreed.
Bydd CThEF a Llywodraeth Cymru yn cydweithio er mwyn sicrhau y caiff y tabl isod (a’r rhestr fanwl gysylltiedig ar wahân o dasgau) eu diweddaru’n rheolaidd ac y cytunir arnynt.