Mo. Rev. Stat. § 104.347: Member elected as circuit clerk of certain counties entitled to annuity.

Notwithstanding any provision of law to the contrary, any member of the Missouri state employees' retirement system eligible to receive an annuity or who has received an annuity based on prior creditable service and who, after January 1, 1990, was an elected circuit clerk of a first class county shall be entitled to a normal annuity based on prior creditable service plus creditable service as an elected circuit clerk of such first class county.