27 C.F.R. § 28.220
If an exporter desires to return wine to a bonded wine cellar or wholesale liquor dealer as provided in § 28.219, he shall file a notice, executed under the penalties of perjury, with the appropriate TTB officer. The notice shall be prepared in triplicate for submission to the customs official as required in § 28.220a. The notice shall show the:
(f) Reason for the return.
(Approved by the Office of Management and Budget under control number 1512-0292)
(Sec. 201, Pub. L. 85-859, 72 Stat. 1336, as amended (26 U.S.C. 5062))
[T.D. ATF-198, 50 FR 8562, Mar. 1, 1985; 50 FR 23410, June 4, 1985, as amended by T.D. TTB-8, 69 FR 3833, Jan. 27, 2004]