See regulation 4(2) of the Disabled Persons (Badges for Motor Vehicles) (Wales) Regulations 2000 (S.I. 2000/1786) (“the 2000 regulations”).
Gweler rheoliad 4(2) o Reoliadau Personau Anabl (Bathodynnau ar gyfer Cerbydau Modur) (Cymru) 2000 (O.S. 2000/1786) (“rheoliadau 2000”).