27 C.F.R. § 27.57 Containers in excess of 1 gallon.
Title 27 - Alcohol, Tobacco Products and Firearms
Imported containers of distilled spirits in excess of 1 gallon are required to be marked in accordance with customs regulations (19 CFR parts 11 and 12). [20 FR 3561, May 21, 1955. Redesignated at 40 FR 16835, Apr. 15, 1975, and amended by T.D. ATF–206, 50 FR 23955, June 7, 1985]
Title 27: Alcohol, Tobacco and Firearms
PART 27—IMPORTATION OF DISTILLED SPIRITS, WINES, AND BEER
Subpart E—General Requirements
Packaging and Marking of Distilled Spirits
§ 27.57 Containers in excess of 1 gallon.

