The first step in sorting out a problem is to contact someone involved in providing the service or, if you prefer, our Complaints and Compliments Team.
Y cam cyntaf wrth ddatrys problem yw cysylltu â rhywun sy’n ymwneud â darparu’r gwasanaeth, neu os yw’n well gennych, ein Tîm Canmoliaeth a Chwynion.