California Code, Welfare and Institutions Code - WIC § 14023

(a) Any applicant for coverage under this chapter who at the time of application has any other contractual or legal entitlement to any health care service defined in Section 14053, and who willfully fails at that time to disclose the fact of such other entitlement, or falsely represents that he or she does not have such other entitlement, is guilty of a misdemeanor.

(b) Any person eligible under this chapter who, subsequent to the date of application for such assistance or coverage under this chapter, acquires any other contractual or legal entitlement to any health care service defined in Section 14053, and willfully fails or refuses to give notice thereof to his county welfare department within 10 days of such acquisition, is guilty of a misdemeanor.

(c) Any person eligible under this chapter who has any other contractual or legal entitlement to any health care service defined in Section 14053, and who knowing that he or she must use such entitlement first, obtains any such service under Medi-Cal without first having utilized and exhausted his or her other contractual or legal entitlement thereto or therefor, is guilty of a misdemeanor.

(d) Any applicant shall by virtue of becoming eligible under this chapter have irrevocably assigned the benefits of any contractual or legal entitlement for health care to the State Director of Health Services to the extent that the services were paid for under this chapter.