Texas Health and Safety Code - HEALTH & SAFETY § 362.033. Terms

(1) bear interest at a fixed, floating, or other type of rate, and be sold at public or private sale at a price or under terms that the issuer's governing body determines to be the most advantageous reasonably obtainable;

(2) be made callable before maturity at times and prices prescribed by the issuer's governing body;

(3) be in coupon form; and

(4) be registrable as to principal or as to principal and interest.