(a) All bonds issued by a corporation shall be payable solely from one or more of the following sources as may be designated in the proceedings of the board under which such bonds shall be authorized to be issued:
(1) Hospital taxes; and
(2) Revenues from any hospital facilities owned or operated by it.
(b) The principal of and interest on any bonds issued by a corporation shall be secured by a pledge of the designated revenues and may be secured by a trust indenture evidencing such pledge or by a non-foreclosable mortgage and deed of trust conveying as security for such bonds all or any part of the property of the corporation from which any part of the designated revenues so pledged may be derived. The resolution of the board under which the bonds are authorized to be issued or any such trust indenture or mortgage may contain agreements and provisions respecting the application of the proceeds of such bonds, the maintenance and insuring of properties of the corporation, the application of the designated revenues, the creation and maintenance of special funds from the designated revenues, the maintenance of rates and charges for services and goods provided through any of the hospital facilities of the corporation, the rights, duties and remedies of the parties to any such instrument and the parties for the benefit of whom such resolution or instrument is adopted or made, the rights and remedies available in the event of default and such other agreements and provisions as the board shall deem advisable and which are not in conflict with the provisions of this chapter.
(c) All bonds issued by a corporation shall be signed by the chairman of its board and attested by its secretary, and the seal of the corporation shall be affixed thereto, and any interest coupons applicable to the bonds of the corporation shall be signed by the chairman of its board; provided, that a facsimile of the signature of one, but not both, of said officers may be printed or otherwise reproduced on any such bonds in lieu of his manually signing the same, a facsimile of the seal of the corporation may be printed or otherwise reproduced on any such bonds in lieu of being manually affixed thereto, and a facsimile of the signature of the chairman of the board may be printed or otherwise reproduced on any such interest coupons in lieu of his manually signing the same.
(d) Any such bonds may be executed and delivered by the corporation at any time and from time to time, shall be in such form and denominations and of such tenor and maturities, shall contain such provisions not inconsistent with the provisions of this chapter, and shall bear such rate or rates of interest, payable and evidenced in such manner, as may be provided by resolution of its board. Bonds of the corporation may be sold at either public or private sale in such manner and at such price or prices and at such time or times as may be determined by the board to be most advantageous. The corporation may pay all expenses, premiums and commissions in connection with any financing done by it. All bonds, except bonds registered as to principal or as to both principal and interest, and any interest coupons applicable thereto issued by the corporation shall be construed to be negotiable instruments although payable solely from a specified source.
(e) All obligations created and all bonds issued by the corporation shall be solely and exclusively an obligation of the corporation and shall not create an obligation or debt of the state or of any county or municipality. Any bonds issued by the corporation shall be limited or special obligations of the corporation payable solely out of the designated revenues specified in the proceedings authorizing those bonds.
(f) The governing body of any county or municipality is authorized in its discretion to invest in bonds of the corporation any idle or surplus money held in its treasury. Such bonds are hereby made legal investments for executors, administrators, trustees and other fiduciaries, unless otherwise directed by the court having jurisdiction of the fiduciary relation or by the document that is the source of the fiduciary's authority, and for savings banks and insurance companies organized under the laws of the state.