Dydy'r dudalen rydych chi'n chwilio amdani ddim ar gael mwyach

Mae'r wybodaeth ar y dudalen hon wedi'i thynnu am ei bod wedi'i chyhoeddi ar gam.

This translation is no longer available. You can find the original version of this content at https://www.gov.uk/government/publications/tax-credits-and-child-benefit-allow-someone-else-to-act-for-you-tc689