Mo. Rev. Stat. § 34.050: Regulations for purchase of supplies — rules generally, promulgation, procedure.

The commissioner of administration shall make and adopt such rules and regulations, not contrary to the provisions of this chapter, for the purchase of supplies and prescribing the purchasing policy of the state as may be necessary. No rule or portion of a rule promulgated under the authority of this chapter shall become effective unless it has been promulgated pursuant to the provisions of section 536.024.