New Jersey Statutes Title 5. Amusements, Public Exhibitions and Meetings 5 § 4-2

No person or persons directly or indirectly in charge of any entertainment, public gathering or public meeting, on any public street or highway or lot or tract of land, in any municipality shall proceed with the holding of any such entertainment, public gathering or public meeting unless the flag of the United States, reasonably clean and in good repair, shall be publicly displayed at such entertainment, gathering or meeting.