Okla. Stat. tit. 70, § 70-2206: Deposit of income and revenues - Payment of principal and

interest.

Except as to revenues paid directly to a trustee under the

provisions of subsection (e) of Section 3 hereof, all income and

revenues derived from the operation of the building shall be

deposited as collected in a fund to be applied solely to the payment

of the principal of and interest on the bonds and, to the extent so

provided in the resolution authorizing the bonds, to the payment of

the cost of maintaining and operating the building and the

establishment of reserves for such purpose. As principal and

interest become due from time to time the Treasurer shall, not less

than fifteen (15) days prior to the payment date, transmit to the

paying agent for the bonds money from said fund in an amount

sufficient to pay the principal or interest so falling due. Said

fund and the money therein is hereby irrevocably pledged to such

purposes.