Cal. Welf. and Inst. Code § 1768.1
No contract shall be executed with an employer that will initiate employment by persons committed to the authority in the same job classification as other employees of the same employer who, at the time of execution of the contract, are on strike, as defined in Section 1132.6 of the Labor Code, or who are then subject to lockout, as defined in Section 1132.8 of the Labor Code. The total daily hours worked by persons committed to the authority and employed in the same job classification as other employees of the same employer who, subsequent to the employer's hiring of persons committed to the authority, go on strike, as defined in Section 1132.6 of the Labor Code, or are subjected to a lockout, as defined in Section 1132.8 of the Labor Code, shall not exceed, for the duration of the strike or lockout, the average daily hours worked for the preceding six months, or, if the authority's contract with the employer has been in operation for less than six months, the average for the period of operation.
Ca. Welf. and Inst. Code § 1768.1