State agencies may trade in items when they make an acquisition of a like item. The state agency shall determine fair market value for the trade-in item and receive that amount or more as credit on the purchase price of the acquisition. Written documentation of the fair market value analysis shall be filed in the acquisition file by the state agency. The state agency may seek advice from the State Purchasing Director to determine fair market value of the trade-in.
Okla. Admin. Code § 260:115-7-44