English: The Official Controls (Extension of Transitional Periods and Miscellaneous Amendments) (Wales) (EU Exit) Regulations 2021
Welsh: Rheoliadau Rheolaethau Swyddogol (Estyn Cyfnodau Trosiannol a Diwygiadau Amrywiol) (Cymru) (Ymadael â’r UE) 2021
Subject: Teitlau deddfwriaeth