The Health Protection (Coronavirus, Restrictions, International Travel, Notification and Public Health Information to Travellers) (Wales) (Miscellaneous Amendments) Regulations 2021
Rheoliadau Diogelu Iechyd (Coronafeirws, Cyfyngiadau, Teithio Rhyngwladol, Hysbysu a Gwybodaeth Iechyd y Cyhoedd i Deithwyr) (Cymru) (Diwygiadau Amrywiol) 2021