(a) An obligation issued under this subchapter:
(1) is not a debt of the municipality;
(2) may be a charge only on the property and revenue encumbered; and
(3) may not be included in determining the power of the municipality to issue bonds for any purpose authorized by law.
(b) A contract, bond, warrant, or note issued or executed under this subchapter must contain the following provision: "The holder of this obligation is not entitled to demand payment of this obligation out of any money raised by taxation."