86.243. At least once in each five-year period the actuary shall makean actuarial investigation into the mortality, service and compensationexperience of the members and beneficiaries of the retirement system andshall make a valuation of the assets and liabilities of the system andtaking into account the results of such investigation and valuation theboard of trustees shall:
(1) Adopt for the retirement system such mortality, service and othertables as shall be deemed necessary;
(2) Certify the rates of contribution payable by the said cities.
(L. 1957 p. 256 ยง 14, A.L. 2000 H.B. 1808)Effective 7-1-00