Mo. Rev. Stat. § 339.535
State-certified real estate appraisers, state-licensed real estate appraisers, state-licensed appraiser trainees, and state-certified appraiser trainees shall comply with the Uniform Standards of Professional Appraisal Practice promulgated by the appraisal standards board of the appraisal foundation.
(L. 1990 H.B. 1456 § 19, A.L. 2012 H.B. 1103)