La. Stat. tit. 39 § 1464
The refunding bonds shall be issued from time to time by the State Bond Commission in its discretion and shall not be limited by the provisions of R.S. 39:1402(D) and (E) or be subject to the provisions of R.S. 39:1365 and R.S. 39:1366. The refunding bonds shall be authorized and issued by a resolution or resolutions of the State Bond Commission and shall be of such series, bear such date or dates, mature at such time or times not exceeding forty years from their respective dates, bear interest at such rate or rates subject to the provisions of Section 1465 of this Title, be in such denominations, be in such form, carry such registration and exchangeability provisions, be payable in such medium of payment and at such place or places, and be subject to such terms of redemption as such resolution or resolutions may provide. The resolution issuing the refunding bonds may provide for the establishment and maintenance of a sinking fund or a special escrow account or accounts for the payment of the principal of, and interest and premium, if any, on any maturities of the refunding bonds, the refunded bonds, or outstanding bonds not to be refunded by such refunding bonds or the payment of any other obligations of the state, contractual or otherwise, and any moneys deposited in such funds or accounts may be invested in government obligations and the maturing principal, interest, or redemption price of such government obligations may be used in the manner provided in such resolution including the securing and payment of all or any portion of the refunding bonds. The bonds shall be signed by either the state treasurer, the assistant treasurer, or the secretary of the State Bond Commission, and the great seal of the state of Louisiana shall be affixed, imprinted, or reproduced on the bonds, attested by the facsimile signature of the secretary of state. Any coupons attached to the bonds shall bear the facsimile signature of either the state treasurer, the assistant state treasurer, or the secretary of the State Bond Commission. The refunding bonds are declared to have the qualities of and are hereby made negotiable instruments under the laws of Louisiana and such bonds and the interest therefrom shall be exempt from income and all other taxation of the state of Louisiana.
La. R.S. § 39:1464