For UK Parliamentary and Police and Crime Commissioner elections, you need to take photo ID to confirm your identity before you can vote.
Ar gyfer etholiadau San Steffan a'r Comisiynydd Heddlu a Throseddu, mae angen i chi fynd â cherdyn adnabod â llun photo ID i gadarnhau eich hunaniaeth cyn y gallwch bleidleisio.