Mo. Rev. Stat. § 338.515
The tax imposed by sections 338.500 to 338.550 shall become effective July 1, 2003, or the effective date of sections 338.500 to 338.550, whichever is later.
(L. 2002 S.B. 1248, A.L. 2003 H.B. 286)
Effective 6-26-03
Expires 9-30-29; see § 338.550