
... here is the actual rule verbatum.
S1-05 Regulated uses(c) Unlawful Posting of notices or signs(1) No Person shall post, Display, affix, construct or carry any placard, flag, banner,sign or model or display any such item by means of aircraft, kite, balloon or other arial device, in, on or above the surface of any park for any purpose whatsoever withought a permit issued by the commissioner. Each Separate item placed in violation of this section shall constitute violation.(2) Nothwithstanding paragraph (1) of this subdivision (c), any person may carry any item discribed in paragraph (1) of this section, without the aid of any aircraft,kite, balloon or other arial device, where the space on which the message of such item is contained has a height of no greater than two feet and a lenth of no longer than Three feet, and that such item takes up a total area of no more than six square feet.
(3) Any person who posts or displays a sign upon parks property, including the perimeters of any park, whether or not pursuant to a permit issued under the subdevision (c), shall be responsible for removeal of such sign pursuant to the conditions in such permit, or immediatly if no such permit has been issued. Failure to remove any sign that it posted or displayed on such property, or that remains on such property, other than in compliance with such permit, shall constitute a violation of these rules.
(4)In the event that a notice or sign is, in violation of this subdevision (c), posted or displayed on any property, including the perimetersof any park, there shall be a rebuttable presumption that any person whose name, telephone number, or other identifying information appears on such notice or sign has violated this subdivision by either (i) Patsting, posting, painting, printing or nailing notice of sign, or (ii) directing, suffering or permiting a servant, agent, employee or other individual under such persons controll to engage in such activity; provided, however, that such rebuttable presumption shall not apply with respect to criminal prosecutions brought pursuant to this paragraph (4).