(a)
Notwithstanding Sections 51282, 51283, 51283.3, and 51285 of the Government Code, no contract with any person concerning land within the marsh and entered into by any local government pursuant to the California Land Conservation Act of 1965 (Williamson Act) (Chapter 7 (commencing with Section 51200) of Part 1 of Division 1 of Title 5 of the Government Code) or pursuant to subdivision (f) of Section 421 of the Revenue and Taxation Code may be canceled, nor shall a notice of nonrenewal of any such contract by any local government be effective, without the consent of the commission, if such contract was in effect on or after September 27, 1974.
(b)
The commission may not consent to the cancellation or notice of nonrenewal of any such contract unless the commission finds that such cancellation or nonrenewal is consistent with the provisions of this division and the protection plan.
(c)
Other than as expressly provided herein, this section does not affect the right of any person or local government relating to the renewal or nonrenewal of any such contract.