N.Y. Alcoholic Beverage Control Law § 100
2-b. Subject to the provisions of section ninety-nine-f of this chapter no retailer shall permit or suffer to appear as an entertainer, on any premises licensed for retail sale hereunder, any person under the age of eighteen years, except that a person under the age of eighteen years may appear as such entertainer, provided that:
7. No licensee shall sell or purchase any receipts, certificates, contracts or other documents issued for the storage of alcoholic beverages except as provided by the rules of the liquor authority. The liquor authority shall prescribe such rules for the purchase and sale of such receipts, certificates, contracts or other documents issued for the storage of alcoholic beverages which, in its opinion, will best accomplish