Sec. 285.024.  FORM AND EXECUTION OF BONDS.  The bonds must:
(1)  be negotiable; 
(2)  be signed by the county judge; 
(3)  be countersigned by the county clerk; 
(4)  be registered by the county treasurer; 
(5)  have the seal of the commissioners court impressed or printed on the bonds;  and
(6)  contain the following provision: "The holder hereof shall never have the right to demand payment thereof out of money raised or to be raised by taxation."
Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.