N.Y. Comp. Codes R. & Regs. tit. 1, § 18.3 – Notification of use of imitation cheese or of imitation cheese food in service food establishments.

(a) No person shall sell or offer for sale any product containing imitation cheese or imitation cheese food in a service food establishment, unless the menu displayed or made available therein sets forth, after the product designation or brand name, whichever is larger, of any food which contains imitation cheese or imitation cheese food, the words “contains imitation cheese” or “contains imitation cheese food”, as appropriate. Said words shall (1) follow, without interruption, the product designation or brand name, as appropriate, and shall be in letters of equal size, displayed against the same contrasting background; and (2) be in letters of the same color, design and style as those in product designation or brand name, and be as easily readable as the product designation and brand name.
(b) No person shall sell or offer for sale any product containing imitation cheese or imitation cheese food in a service food establishment, unless a sign which meets the following requirements is conspicuously posted therein.
1. (1) The sign shall set forth the product designation or brand name of every food sold or offered for sale therein which contains imitation cheese or imitation cheese food, immediately followed by the words “contains imitation cheese” or “contains imitation cheese food”, as appropriate.
2. (2) The words “contains imitation cheese” and “contains imitation cheese food” shall be set forth on said sign in the same manner as the product designation or brand name and shall be against the same contrasting background. The letters of said words shall be the same height as the height of the letters in the product designation or brand name, or three inches high, whichever is larger, and of the same color, design and style thereof, and shall be easily readable as the product designation and brand name.
3. (3) The sign shall be plainly visible from each and every location at which a customer may place an order for food for carryout or for on-premises consumption.