Cal. Gov. Code § 19063.5

Notwithstanding any other provision of law, participation in a seasonal or entry level nontesting class vacancy by a public assistance recipient shall be voluntary only, and in no event shall any person be subject to sanctions, through loss of benefits or eligibility, for not applying for, accepting, or continuing in such a position. All notices shall explain the voluntary nature of the application to work in a seasonal or entry level nontesting class opening, the job requirements, the amount of pay, and the job qualifications. All notices, shall also inform public assistance recipients that they will have priority in being hired for jobs in these openings as provided in Section 19063.