2016 New York Laws
AGM - Agriculture & Markets
Article 4 - (Agriculture & Markets) Dairy Products.
55 - Skimmed milk, whey, buttermilk or milk container or plant equipment rinsings to be heated before being used for feeding.

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