27 C.F.R. § 24.294
(b) Record of destruction. The proprietor shall maintain a record of the volume destroyed and include the quantity on the TTB F 5120.17, Report of Bonded Wine Premises Operations. If part of the volume of the material destroyed is not wine, the volume destroyed will be reported on the basis of actual wine content of the material, excluding any dilution by water or other substance.
(Sec. 201, Pub. L. 85-859, 72 Stat. 1381, as amended (26 U.S.C. 5367, 5370))
(Approved by the Office of Management and Budget under control numbers 1512-0216 and 1512-0298)
[T.D. ATF-299, 55 FR 24989, June 19, 1990, as amended by T.D. ATF-338, 58 FR 19065, Apr. 12, 1993; T.D. ATF-409, 64 FR 13686, Mar. 22, 1999]