New York Consolidated Laws, General Business Law - GBS § 518-a. Presentment of social security number as condition for accepting a check, traveler's check, gift certificate, money order or other negotiable instrument in payment of sales transaction prohibited

1. No seller in any sales transaction shall record on a check, traveler's check, gift certificate, money order, other negotiable instrument or attachment thereto, a social security number of a buyer in such transaction as a condition for accepting such instrument as payment in such transaction.  Nothing contained in this subdivision shall prohibit a seller from so recording the identifying number from a buyer's driver's license where such number is identical to or is a part of the buyer's social security number.

2. A violation of the provisions of this section shall be punishable by a civil fine not to exceed one hundred dollars for a first violation and not to exceed two hundred fifty dollars for subsequent violations.