The governing boards, after the adoption of the plan, shall at regular intervals, each not exceeding a period of five years, secure a general survey and actuarial report of the plan, and the boards shall from time to time amend the plan in any manner found to be advisable to meet changed conditions, or, in the light of experience, considered necessary.

(Repealed and added by Stats. 1993, Ch. 893, Sec. 2. Effective January 1, 1994.)