Mo. Rev. Stat. § 338.650: Fund established, use of moneys.

There is hereby established in the state treasury the "Pharmacy Rebates Fund". Any revenues received by the state, either directly or indirectly, from pharmaceutical manufacturer rebates as required by federal law, except where federal law requires rebates to be accounted for otherwise, or state supplemental rebates as defined in state plan amendments shall be deposited into the pharmacy rebates fund and shall be used only in the MO HealthNet pharmacy program or its successor programs authorized under Title XIX, Public Law 89-97, 1965 amendments to the federal Social Security Act, 42 U.S.C. Section 301, et seq.