Missouri Revised Statutes Title II. Sovereignty, Jurisdiction and Emblems § 8.968. Requirements for certain contracts for construction, repair, remodeling, or demolition of facilities

1. The state, any agency of the state, any political subdivision of the state, or any instrumentality thereof, when engaged in procuring or letting contracts for construction, repair, remodeling, or demolition of a facility shall ensure that bid specification, project agreements, and other controlling documents entered into, required, or subject to approval by the state, agency, political subdivision, or instrumentality do not:

2. Nothing in this section shall be construed to prohibit the state, any agency of the state, any political subdivision of the state, or any instrumentality thereof from requiring bidders, offerors, contractors, or subcontractors, as a condition of receiving work or submitting a bid, to test its workers and employees for the presence of illegal drugs.