The Health Protection (Coronavirus, International Travel, Pre-Departure Testing and Operator Liability) (Wales) (Amendment) Regulations 2021 (S.I. 2021/48) (W. 11)
Rheoliadau Diogelu Iechyd (Coronafeirws, Teithio Rhyngwladol) (Cymru) (Diwygio) (Rhif 11) 2021