27 C.F.R. § 24.321
A proprietor who treats juice or wine to remove excess color with activated carbon or any other decolorizing material shall maintain a record to show:
(c) The kind and quantity of decolorizing material used to treat the juice or wine.
(Sec. 201, Pub. L. 85-859, 72 Stat. 1381, as amended (26 U.S.C. 5367))
(Approved by the Office of Management and Budget under control number 1512-0298)