If you are a local authority, public limited company, national park or a town/community council before you migrate to GOV.UK One Login you need to:
Os ydych chi'n Awdurdod Lleol, Cwmni Cyfyngedig Cyhoeddus, Parc Cenedlaethol neu'n Gyngor Tref / Cymuned, cyn ichi symud i One Login GOV.UK, mae angen i chi: