B.__ Bonds issued under this section do not constitute an indebtedness within the meaning of any constitutional or statutory debt limitation or restriction and are not subject to other laws or charters relating to the authorization, issuance or sale of bonds. Bonds issued under this article are declared to be issued for an essential public and governmental purpose and, together with interest on and income from the bonds, are exempt from all taxes.

3.__General characteristics.__Bonds authorized under this section may be issued in one or more series.__The resolution, trust indenture or mortgage under which the bonds are issued may include the following:

A.__The date or dates borne by the bonds;

B.__Whether the bonds are payable upon demand or mature at a certain time or times;

C.__The interest rate or rates of the bonds;

D.__The denomination or denominations of the bonds;

E.__The form of the bonds, whether coupon or registered;

F.__The conversion or registration privileges carried by the bonds;

G.__The rank or priority of the bonds;

H.__The manner of execution of the bonds;

I.__The medium and place or places of payment;

J.__The terms of redemption of the bonds, with or without premium;

K.__The manner secured; and

L.__Any other characteristics of the bonds.

4.__Price sold.__The bonds may be:

A.__Sold at not less than par at public sales held after notice has been published in a newspaper of general