N.Y. Lab. Law § 473-a

§ 473-a. Posting of means of egress in places of public assembly.\nThere shall be posted in a conspicuous place and manner at all exits in\nevery place of public assembly, a printed scale floor plan of that\nparticular floor or story, which shall show all means of egress, clearly\nlabeling those exits to be used in case of fire. Said printed scale\nfloor plan shall be no smaller than eight inches by ten inches and shall\nbe posted in such a manner that it cannot be readily removed.\n