Regulations creating four CJCs in Wales (“the Establishment Regulations”) were made on 17 March 2021 and the following CJCs were established on 1 April 2021:
Cafodd y rheoliadau a oedd yn creu pedwar CBC yng Nghymru (“y Rheolau Sefydlu”) eu gwneud ar 17 Mawrth 2021, a sefydlwyd y CBCau canlynol ar 1 Ebrill 2021: