Mae Rheoliadau Diogelu Iechyd (Cyfyngiadau Coronafeirws) (Rhif 5) (Cymru) 2020 yn nodi bod yn rhaid adolygu mesurau’r coronafeirws bob tair wythnos. Roedd disgwyl i’r adolygiad tair wythnos diweddaraf gael ei gwblhau erbyn 14 Ebrill.
The Health Protection (Coronavirus Restrictions) (No. 5) (Wales) Regulations 2020 require a review of the coronavirus measures to be undertaken every three weeks. The most recent three-week review was due to be completed by 14 April.