English: The Health Protection (Coronavirus, International Travel, Pre-Departure Testing and Operator Liability) (Wales) (Amendment) Regulations 2021

Welsh: Rheoliadau Diogelu Iechyd (Coronafeirws, Teithio Rhyngwladol, Profion cyn Ymadael ac Atebolrwydd Gweithredwyr) (Cymru) (Diwygio) 2021