We raised awareness of more complex areas of tax and encouraged people to contact us early in the process so we could help them get things right first time.
Rydym wedi gwella ymwybyddiaeth o feysydd treth mwy cymhleth, ac wedi annog pobl i gysylltu â ni’n gynnar yn y broses fel y gallem eu helpu i gael pethau'n iawn y tro cyntaf.