(a) No later than July 1 of each even-numbered year, the code reviewing body shall direct every local agency which has adopted a Conflict of Interest Code in accordance with this title to review its Conflict of Interest Code and, if a change in its code is necessitated by changed circumstances, submit an amended Conflict of Interest Code in accordance with subdivision (a) of Section 87302 and Section 87303 to the code reviewing body.
(b) Upon review of its code, if no change in the code is required, the local agency head shall submit a written statement to that effect to the code reviewing body no later than October 1 of the same year.