Cal. Gov. Code § 4534

(a) In evaluating proposals for contracts for services in excess of one hundred thousand dollars ($100,000), except a contract in which the worksite is fixed by the provisions of the contract, the state shall award the following preferences: (1) A workplace preference of 5 percent on the price submitted by California-based companies that demonstrate and certify under penalty of perjury that not less than 90 percent of the total labor hours required to perform the contract shall be accomplished at an identified worksite or worksites. (2) A workforce preference of between 1 percent and 5 percent, as specified in Section 4533.1, to California-based companies that demonstrate and certify, under penalty of perjury, that the workforce completing those labor hours are persons with a high risk of unemployment, as defined in Section 4532.