Cal. Veh. Code § 3008

All meetings of the board shall be open and public, and all persons shall be permitted to attend any meeting of the board, except that the board may hold executive sessions to deliberate on the decision to be reached upon the evidence introduced in a proceeding conducted in accordance with Chapter 5 (commencing with Section 11500) of Part 1 of Division 3 of Title 2 of the Government Code.