Okla. Stat. tit. 62, § 62-263: State checks or vouchers unpaid after 90 days -

Cancellation.

All depository checks or vouchers issued after June 30, 1980, by

any state officer, department, board, commission, institution or

agency in payment of any obligation of the state which shall for any

cause remain unpaid and outstanding for a period of ninety (90) days

shall be canceled. Where the account originally charged can be

identified the cancellation shall have the effect of restoring to

the account the amount theretofore charged. Where the identity of

the account originally charged cannot now be ascertained, the amount

of such cancellation shall revert to and be credited to the General

Revenue Fund of the state.