(a) Bonds are payable from the special fund required under § 21-412 of this subtitle.
(b) The governing body of a municipality that issues bonds under this part may:
(1) establish a sinking fund;
(2) establish a debt service reserve fund;
(3) pledge other assets and revenues toward the payment of the principal of and interest on the bonds; or
(4) provide for municipal bond insurance or any other financial guaranty of the bonds.