Mo. Rev. Stat. § 163.410
1. Notwithstanding the provisions of section 163.021, in fiscal years 2011, 2012, and 2013, if the appropriation for subsections 1 and 2 of section 163.031 is less than the annualized calculation of the amount needed for the phase-in required under subsection 4 of section 163.031 for that fiscal year or the appropriation for transportation as provided in subsection 3 of section 163.031 is funded at a level that provides less than seventy-five percent of allowable costs, school districts shall be excused from compliance with:
(L. 2010 H.B. 1543)
Effective 7-01-10