After the members of the regional planning board to be appointed by the city selection committees and the county boards of supervisors have been designated, they shall meet and appoint one citizen-at-large member for each county included in the district who will be full members of the regional planning board. These citizens-at-large members shall be selected from among persons living within the district who have made outstanding contributions to, or have demonstrated an active interest in, matters of regional concern.
(Repealed and added by Stats. 1963, Ch. 1811.)