The board of trustees shall continue to pay to each member retired, the same amount and in the same installments as formerly; provided that the board of trustees shall be authorized to use interest earnings on investments of the system in excess of normal requirements as determined by the actuary to provide a cost-of-living increase in benefits for members and their beneficiaries in an amount not to exceed two percent of the original benefit for each year of retirement or ten dollars per month, whichever is greater. Such benefits shall be paid only when funds are available from this source, and payments shall be made in such manner and in such amount as may be determined by the board of trustees based on the funds available.
Designated from Acts 1979, No. 263, §1 by Acts 1991, No. 74, §3, eff. June 25, 1991; Acts 1993, No. 711, §1.