N.Y. Agric. & Mkts. Law § 55

§ 55. Skimmed milk, whey, buttermilk or milk container or plant\nequipment rinsings to be heated before being used for feeding. Any\nperson operating any butter factory, cheese factory or other milk plant,\nbefore delivering to any person any skimmed milk, whey, buttermilk or\nmilk container or plant equipment rinsings, to be used for the feeding\nof domestic animals, shall cause such by-product to be uniformly heated\nto a temperature of not less than one hundred and forty-three degrees\nFahrenheit and held at such temperature for at least thirty minutes, or\nto be uniformly heated to a temperature of one hundred and seventy\ndegrees. No such by-product shall be used for the feeding of domestic\nanimals until heated as provided herein.\n