1. Except as otherwise provided in subsection 3, any purchase and any contract for the purchase of any service, supplies, materials or equipment, made or entered into by any state officer, department, institution, board, commission or agency contrary to the provisions of this chapter and the rules and regulations of the Administrator promulgated pursuant thereto, shall be void; but the head of the using agency and the employee who actually made such purchase or entered into such contract shall be personally liable for the costs of any service, supplies, materials or equipment delivered pursuant to such purchase or contract.
2. Any contract made with any person, firm or corporation shall be void if any member, officer or employee of any using agency taking part in the making of such contract is also an officer or employee or owner of a substantial part or interest in such firm or corporation.
3. The provisions of this section do not apply to a contract for the purchase of any service, supplies, materials or equipment for a public work that is awarded in compliance with chapter 338 of NRS.
4. As used in this section, “public work” has the meaning ascribed to it in NRS 338.010.