A municipality may enact an ordinance making it a petty disorderly persons offense for a retailer to display or permit to be displayed at his business premises any obscene material as defined in N.J.S. 2C:34-3, at a height of less than 5 feet or without a blinder or other covering placed or printed on the front of the material displayed. Any such ordinance shall contain a provision stating that public display of the obscene material shall constitute presumptive evidence that the retailer knowingly made or permitted the display.
N.J.S. § 2C:34-3.2