Prior to the issuance of such permits, operators must show compliance with Federal and State regulations and applicable to licensing, registering, inspecting, and insuring of such vehicles. Such permits shall be affixed to the vehicles as instructed at the time of issuance.
A person is guilty of public lewdness when he intentionally exposes the private and intimate parts of his body in a lewd manner or commits any other lewd act (a) in a public place, or (b) in private premises under circumstances in which he may readily be observed from either a public place or from other private premises, and with intent that he be so observed.
36 C.F.R. §7.29