Okla. Stat. tit. 74, § 74-87.1: Persons with authority to make State purchases -

Prohibition on furnishing supplies and equipment.

It shall be unlawful for the superintendent or business manager

of any state agency or institution or any person with authority to

purchase supplies, materials or equipment for such state agency or

institution, or the spouse or child of either of them, to furnish

such supplies, materials or equipment, or be interested by stock

ownership or other profit sharing arrangements, in any business

entity which is engaged in the furnishing of such supplies,

materials or equipment to such agency, department or institution of

the State of Oklahoma.