New York Codes, Rules and Regulations
Title 21 - Miscellaneous
Chapter XXIV - The Port Authority Of New York And New Jersey
Subchapter E - World Trade Center
Part 1290 - World Trade Center
Section 1290.24 - Use of premises during other than normal business hours

When an occupant of space at the World Trade Center intends to occupy the space during hours other than normal business hours, the occupant shall make a request in writing, for such of those services which the occupant is entitled to receive during normal business hours as the occupant may desire during hours other than normal business hours, each such request to be made by 4 p.m. of the last business day before each day during which the services are desired. Such services will be provided and paid for by the occupant in accordance with the schedule of rates established by the Port Authority from time to time and the occupant agrees that the Port Authority has made no representations or warranties that the premises will be habitable or usable by the occupant during other than normal business hours unless the aforesaid services are requested in advance by the occupant. An occupant of any space at the World Trade Center shall advise the manager of the World Trade Center one day in advance of any occasion when the space he occupies will not be occupied during normal business hours because of vacations or special holidays.