New York Codes, Rules and Regulations
Title 1 - DEPARTMENT OF AGRICULTURE AND MARKETS
Chapter VI - Food Control
Subchapter E - Retail Food Stores (Article 19 Agriculture and Markets Law)
Part 271 - Retail Food Store Sanitation Regulations
Subpart 271-8 - Food Display and Service at Salad Bars
Section 271-8.5 - Customer information

(a) The addition of sulfiting agents to food by a retailer is prohibited.

(b) When foods which have been treated with sulfiting agents by a manufacturer or grower are being offered for sale at retail, the customers must be notified by conspicuous, easily readable labels, signs, placards or menu statements at the display location.

(c) Customers shall be provided with information on the correct (sanitary) use of the salad bar.