Section 21-17-434 - Interim debentures; pledges for security(a) Pledged revenues and other monies, including without limitation proceeds of bonds to be issued or reissued after the issuance of interim debentures, and bonds issued for the purpose of securing the payment of interim debentures, may be pledged for the purpose of securing the payment of interim debentures. (b) Any bonds pledged as collateral security for the payment of any interim debentures shall mature at such time or times as the board may determine, but in no event exceeding fifty (50) years from the dates of the bonds and interim debentures, or if the dates are not the same, from whichever date is the earlier. (c) Any bonds pledged as collateral security shall not be issued in an aggregate principal amount exceeding the aggregate principal amount of the interim debenture or interim debentures secured by a pledge of the bonds.