N.Y. Comp. Codes R. & Regs. tit. 21 § 1290.27
No person shall move inventory, merchandise, supplies or materials, fixtures, equipment, furnishings or bulky articles of any kind, including without limiting the generality thereof desks, chairs, tables, safes, cabinets, shelves, business machines, fans or floor coverings, to or from any space at the World Trade Center except with the prior written consent of the manager of the World Trade Center and during such hours on such days as may be prescribed by the manager of the World Trade Center. In no event will consent be given unless the person employed or under contract to perform such moving is competent and responsible and at least 24 hours' notice of the person's desire to have such moving performed has been given in writing to the manager of the World Trade Center. No person shall use hand trucks in the passenger elevators or shall use the passenger elevators to transport freight or bulky packages of any type without the written consent of the manager of the World Trade Center.
N.Y. Comp. Codes R. & Regs. Tit. 21 § 1290.27