Within 60 days after the date the district first becomes operative, the board of supervisors of each county in the district shall appoint as members of the regional planning board of said district the number authorized by Section 65063.1.
The members of the regional planning board appointed by boards of supervisors shall be members of said boards of supervisors.
Source:
Section 65063.2, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=65063.2..