California Code, Business and Professions Code - BPC § 501

For the reproduction of the destroyed register or book the board shall make use of such existing official printed registers, books or matter, certificates, affidavits to be presented, or other official information as may be available and which may appear to the board to be authentic. Upon the completion of the reproduction, the board shall by resolution adopt the reproduced register or book as the register or book of the board, and thereafter the same shall be taken and used to all intents and purposes as well for evidence as otherwise as if it were the original.