Sec. 7. Except for persons the authority considers necessary to prepare complete plans and specifications necessary for bidding for construction, the authority may not enter into: (1) a contract for the performance of work, other than a contract of employment with a professional person or a commission employee; or (2) a contract for the purchase or sale of materials or supplies; without complying with IC 4-13-2 and the rules and procedures of the department of administration. As added by P.L.189-2018, SEC.25.