2009 California Food and Agricultural Code - Section 37291-37292 :: Article 7. Renovated Butter

37291.  Renovated butter is the product made from impure or rancid
butter reduced, for the purpose of cleansing and renovating, to a
liquid state by melting and draining off the liquid milk fat and
afterwards churning or otherwise manipulating it in connection with
milk or any product of milk.

37292.  It is unlawful for any person to sell any renovated butter
unless there is printed upon the label of each and every package, or
other container in which such renovated butter is put up for sale or
sold at retail, all of the following:
   (a) The words "renovated butter" in letters which are at least as
large as any other type or lettering on such label.
   (b) The name and address of the manufacturer or distributor.
   (c) The net weight of the contents of the package.
   (d) A full and accurate statement of all the ingredients which are
contained in the renovated butter.