Mo. Rev. Stat. § 338.515
The tax imposed by sections 338.500 to 338.550 shall become effective July 1, 2002, or the effective date of sections 338.500 to 338.550*, whichever is later.
(L. 2002 S.B. 1248)
Effective 6-19-02
Expires 6-30-03
*Sections 338.500 to 338.550 became effective 6-19-02