27 C.F.R. § 26.38 Containers of distilled spirits.
Title 27 - Alcohol, Tobacco Products and Firearms
Containers of distilled spirits brought into the United States from Puerto Rico, having a capacity of not more than 1 gallon (3.785 liters), shall conform to the requirements of subpart P of this part. [T.D. ATF–34, 41 FR 46863, Oct. 26, 1976]
Title 27: Alcohol, Tobacco and Firearms
PART 26—LIQUORS AND ARTICLES FROM PUERTO RICO AND THE VIRGIN ISLANDS
Subpart Cb—Products Coming Into the United States From Puerto Rico
§ 26.38 Containers of distilled spirits.