Every public agency, its insurance carrier, and the State Department of Rehabilitation shall jointly formulate procedures for the selection and orderly referral of injured full-time public employees who may be benefited by rehabilitation services and retrained for other positions in public service. The State Department of Rehabilitation shall cooperate in both designing and monitoring results of rehabilitation programs for the disabled employees. The primary purpose of this division is to encourage public agencies to reemploy their injured employees in suitable and gainful employment.