O dan reoliad 3(2) mae’n ofynnol i Weinidogion Cymru adolygu’r angen am y gofynion a’r cyfyngiadau yn y rheoliadau bob 21 diwrnod.  Roedd gofyn cynnal yr ail adolygiad erbyn 7 Mai.
Under regulation 3(2) Welsh Ministers are required to review the need for the requirements and restrictions in the Regulations every 21 days. The second review was due by 7 May.