Okla. Stat. tit. 74, § 74-2257: Refund of outstanding series of revenue bonds

The Commission shall have the power and is authorized to refund

the outstanding series of the revenue bonds authorized by this act.

The Commission shall pledge to the payment of the principal and

interest of the refunded bonds all or any part of the revenues

derived from the operation of the parks and lodges controlled and

operated by the Commission. If not prohibited by the terms of the

revenue bonds, interest earnings on construction funds may be

utilized by the Commission as provided by law.