(a) Subject to subdivision (b), if an employee or former employee of a public entity pays any claim or judgment against him, or any portion thereof, that the public entity is required to pay under Section 825, he is entitled to recover the amount of such payment from the public entity.
(b) If the public entity did not conduct his defense against the action or claim, or if the public entity conducted such defense pursuant to an agreement with him reserving the rights of the public entity against him, an employee or former employee of a public entity may recover from the public entity under subdivision (a) only if he establishes that the act or omission upon which the claim or judgment is based occurred within the scope of his employment as an employee of the public entity and the public entity fails to establish that he acted or failed to act because of actual fraud, corruption or actual malice or that he willfully failed or refused to conduct the defense of the claim or action in good faith or to reasonably cooperate in good faith in the defense conducted by the public entity.
(c) If the provisions of this section are in conflict with the provisions of a memorandum of understanding reached pursuant to Chapter 12 (commencing with Section 3560) of Division 4 of Title 1, the memorandum of understanding shall be controlling without further legislative action, except that if such provisions of a memorandum of understanding require the expenditure of funds, the provisions shall not become effective unless approved by the Legislature in the annual Budget Act.