English: The Health Protection (Coronavirus Restrictions) (No. 5) (Wales) (Amendment) (No. 4) Regulations 2021
Welsh: Rheoliadau Diogelu Iechyd (Cyfyngiadau Coronafeirws) (Rhif 5) (Cymru) (Diwygio) (Rhif 4) 2021
Subject: Teitlau deddfwriaeth