Mo. Rev. Stat. § 30.767
The state treasurer shall not, after December 31, 2007, invest in any linked deposit the value of which is to be lent to a recipient other than an eligible water supply system or an eligible student borrower.
(L. 1986 H.B. 1107 § B, A.L. 1988 H.B. 1260, A.L. 1989 S.B. 444, A.L. 1991 H.B. 51, et al., A.L. 1993 H.B. 566, A.L. 1994 H.B. 1248 & 1048, A.L. 1997 H.B. 557)