Mo. Rev. Stat. § 305.555
305.555 Authority property exempt from tax.
305.555. Authority property exempt from tax. — All property, real, personal or mixed, owned by the authority, which is located in the state of Missouri, is exempt from taxation under the laws of the state of Missouri.
(L. 1972 H.B. 1341 § 12) Effective 2-04-72