Mo. Rev. Stat. § 104.080
Current with changes from the 2023 Legislative Session
Each member may retire the first of the month following the month during which such member shall reach normal retirement age with a normal annuity. Notwithstanding any other provisions to the contrary, a person receiving an annuity may waive monthly annuity payments or a cost-of-living adjustment (COLA) for periods of time, provided no waiver may be contrary to applicable federal law. A waiver shall be final as to any payment or COLA waived.
§ 104.080, RSMo