N.Y. Comp. Codes R. & Regs. tit. 20, § 538.3
(b) The ticket or other documentation (hereafter referred to collectively as the ticket) required to be furnished to the purchaser must conform to the following requirements.
(4) The part of every ticket given to a customer and the part of every ticket required to be kept by the operator must each also indicate the date and time of exit of the motor vehicle, unless the parking facility operator charges a flat fee for the parking service to which the ticket relates and the following conditions are met:
(5) In the case of a monthly or longer term purchaser to whom a ticket is issued, the ticket must also include the purchaser's printed name and signature. In lieu of the purchaser's printed name and signature being set forth on such a ticket, an identification number assigned to the monthly or longer term purchaser by the parking facility operator must be indicated on the ticket.
(c)
(2) Every parking facility operator which sells parking services on a monthly or longer term basis must, whether or not a ticket is issued to the purchaser, keep as part of the additional records required to be kept by this Part and section 1142-A of the Tax Law a list containing the following:
Tax Law, § 1142-A(b)