You will find the updated terms and conditions on this page from 15 October 2018 and you should review these before using the online service.
Bydd y telerau ac amodau wedi’u diweddaru i’w gweld ar y dudalen yma o 15 Hydref 2018 ymlaen a dylech adolygu’r rhain cyn defnyddio’r gwasanaeth ar-lein.