2016 New York Laws
AGM - Agriculture & Markets
Article 4 - (Agriculture & Markets) Dairy Products.
47-A - Regulating the handling and sale of products made from recovered milk fat and solids.

 47-a. Regulating  the  handling  and  sale  of  products  made  from
  recovered milk fat and solids.  Notwithstanding any other provisions  of
  this  chapter,  it  shall  not be unlawful to recover milk fat and other
  milk solids
(a) from mixtures of milk and potable water produced in the  operation
  of high-temperature short-time pasteurizers or
(b)  from  rinsings or drippings recovered from cans or equipment used
  in the handling of milk and milk products,  provided  such  rinsings  or
  drippings do not contain excessive foreign substance, or
(c) from whey
or to use such fat and such other milk solids in
(1)  products  in the manufacture of which milk fat, other milk solids
  and water are permitted ingredients, or
(2) in the manufacture of  butter  and  skimmed  milk  powder  (nonfat
  dry-milk solids).
The  commissioner  is  hereby  authorized  to  promulgate  regulations
  governing the handling, manufacturing and marketing  of  such  mixtures,
  rinsings,  drippings  and  whey and the products made therefrom, and may
  prescribe standards for such products.