Mo. Rev. Stat. § 34.047
Notwithstanding any provision in section 34.040, section 34.100, or any other law to the contrary, departments shall have the authority to purchase products and services related to information technology when the estimated expenditure of such purchase shall not exceed one hundred fifty thousand dollars, the length of any contract or agreement does not exceed twelve months, the department complies with the informal methods of procurement established in section 34.040, and 1 CSR 40-1.050(1) for expenditures of less than one hundred thousand dollars, and the department posts notice of such proposed purchase on the online bidding/vendor registration system maintained by the office of administration. For the purposes of this section, "information technology" shall mean any computer or electronic information equipment or interconnected system that is used in the acquisition, storage, manipulation, management, movement, control, display, switching, interchange, transmission, or reception of information, including audio, graphic, and text.
§ 34.047, RSMo