(a) A municipality may secure the payment of an obligation issued under this subchapter by:
(1) mortgaging the physical property acquired or constructed or to be acquired or constructed and pledging the net revenue derived from the property; or
(2) pledging the net revenue derived from the property without a mortgage on the property.
(b) A municipality that mortgages the property may provide in the encumbrance for a grant, to a purchaser under sale or foreclosure, of a permit to operate the fish market, subject to all laws then in force regulating the operation of such an industry.