N.Y.C. Admin. Code § 20-326: § 20-326 Claim checks.

Every licensee, at the time of accepting a motor vehicle for parking or storage, shall furnish to the driver of such vehicle a distinctive claim check acknowledging the receipt of the vehicle and showing the date of such acceptance. Every such claim check shall contain the name of the licensee and his or her license number. Such licensee shall not be required to issue a claim check for any vehicle which is parked or stored on a weekly or monthly basis, nor for any vehicle parked in a parking lot where the patrons are permitted to park and lock their own cars.