The membership consists of four senators appointed by the Senate Subcommittee on Committees of the Committee on Rules and Administration, three Senators appointed by the Senate minority leader, four Representatives appointed by the Speaker of the House, and three Representatives appointed by the House minority leader. All members must reside in or represent a portion of the seven-county metropolitan area. The appointing authorities must ensure balanced geographic representation. Each appointing authority must make appointments as soon as possible after the opening of the next regular session of the Legislature in each odd-numbered year.