Mo. Rev. Stat. § 210.650: Contingent effective date.

The repeal and reenactment of sections 210.620, 210.622, 210.625, 210.635, and 210.640 of section A of this act*, and the repeal of sections 210.630 and 210.700 of section A of this act* shall become effective August 28, 2007, or upon legislative enactment of the compact into law by no less than thirty-five states, whichever later occurs.