Mo. Rev. Stat. § 104.020
There is hereby created the "Transportation Department Employees' and Highway Patrol Retirement System", which shall be a body corporate and an instrumentality of the state. In such system shall be vested the powers and duties specified in sections 104.010 to 104.270 and such other powers as may be necessary or proper to enable it, its officers, employees, and agents to carry out fully and effectively all the purposes of sections 104.010 to 104.270.
(L. 1955 p. 718 § 2, A.L. 1983 H.B. 713 Revision)