In Cardiff, from February 2018 it combines and replaces the following benefits and tax credits for most working-age people who need to make new claim for:
Yng Nghaerdydd, o fis Chwefror mae'n cyfuno rhai o’r budd-daliadau a’r credydau treth canlynol, am y rhan fwy o bobl oedran gwaith sy orfod gwneud hawl newydd: