Mo. Rev. Stat. § 338.132

Any provision of the law to the contrary notwithstanding, the board of pharmacy shall prepare and maintain an equitable salary schedule for professional staff that are employees of the board. The positions and classification plan for personnel attributed to the inspection of licensed entities within this chapter shall allow for a comparison of such positions with similar positions in adjoining states. Board of pharmacy professional positions shall not be compensated at more than ninety percent parity for corresponding positions within adjoining states for pharmacists employed in those positions.