Missouri Revised Statutes Title IV. Executive Branch § 34.353. All public agencies and political subdivisions to purchase or lease only goods or commodities produced in the United States, exceptions, procedure

1. Each contract for the purchase or lease of manufactured goods or commodities by any public agency, and each contract made by a public agency for construction, alteration, repair, or maintenance of any public works shall contain a provision that any manufactured goods or commodities used or supplied in the performance of that contract or any subcontract thereto shall be manufactured or produced in the United States.

2. This section shall not apply where the purchase, lease, or contract involves an expenditure of less than twenty-five thousand dollars. This section shall not apply when only one line of a particular good or product is manufactured or produced in the United States.

3. This section shall not apply where the executive head of the public agency certifies in writing that:

4. The certificate required by this section shall specify the nature of the contract, the product being purchased or leased, the names and addresses of the United States manufacturers and producers contacted by the public agency or the project architect or engineer, and an indication that such manufacturers or producers could not supply sufficient quantities or that the price of the products would increase the cost of the contract by more than ten percent.

5. Certificates required by this section shall be maintained by the public agency for a period of three years.