We're sorry if you're not happy with the decision we’ve taken, please let us know as soon as possible if the complaint has not been resolved to your satisfaction.
Mae'n ddrwg gennym os nad ydych yn hapus gyda'r penderfyniad rydym wedi'i wneud, rhowch wybod i ni cyn gynted â phosibl os nad yw'r gŵyn wedi'i datrys i'ch boddhad.