The Health Protection (Coronavirus, Operator Liability and Public Health Information to Travellers) (Wales) (Amendment) Regulations 2021
Rheoliadau Diogelu Iechyd (Coronafeirws, Atebolrwydd Gweithredwyr a Gwybodaeth Iechyd y Cyhoedd i Deithwyr) (Cymru) (Diwygio) 2021