Each CDC consists of a Chairman and between 12 and 80 other members. Where the number of residents in a district is not less than 150,000, the PA's board of management is empowered to designate the Chairman of a CDC to be the Mayor for the district that the CDC is appointed for. As it is the practice for MPs to be appointed as Chairmen of CDCs, these MPs have also been designated as Mayors. As of 25 July 2020, the Mayors are: