N.Y. Comp. Codes R. & Regs. tit. 1, § 257.21 – Directions for use; pet food and specialty pet food.

(a) The label of any pet food or specialty pet food which is suitable only for intermittent or supplemental feeding or for some other limited purpose shall:
1. (1) bear a clear and conspicuous disclosure to that effect; or
2. (2) contain specific feeding directions which clearly and conspicuously state that the product should be used only in conjunction with other foods.

In addition to the requirements for commercial feed otherwise provided in this Part, the following requirements shall apply to pet food and specialty pet food: