Section 1533 - Reimbursement for Service(a) The programs shall maximize utilization of reimbursement from third-party payors.(b) Where an Indian is eligible for health benefits from third-party payors and the service is provided by an existing Indian health program, the revenue collected from third-party payors shall be used to increase the services offered by the program.Cal. Code Regs. Tit. 17, § 1533