- (1) All provisions of this retirement system are effective as to a member whose retirement date occurred prior to July 1, 1977, except that the amount and mode of payment of the member's retirement benefit must remain unchanged.
- (2) This chapter may not decrease the benefits of a member under a prior plan.
History: En. 11-1881 by Sec. 22, Ch. 456, L. 1977; R.C.M. 1947, 11-1881; amd. Sec. 183, Ch. 265, L. 1993; Sec. 19-9-106, MCA 1991; redes. 19-9-206 by Code Commissioner, 1993.