To make sure your reduction starts from the earliest date possible, you should contact us as soon as you need help to tell us that you want to make a claim.
Er mwyn gwneud yn siŵr bod eich gostyngiad yn dechrau o’r dyddiad cynharaf posibl, dylech gysylltu â ni cyn gynted â bod angen cymorth arnoch i ddweud wrthym ni eich bod eisiau gwneud hawliad.