27 C.F.R. § 26.304 Bulk conveyances to be sealed.
Title 27 - Alcohol, Tobacco Products and Firearms
When a shipment of distilled spirits from customs custody to the distilled spirits plant is made in a tank, tank barge, cargo container, tank car, tank truck, or similar bulk conveyance, all openings affording access to the spirits shall be sealed by the customs officer with customs seals in such manner as will prevent unauthorized removal of spirits through such openings without detection.
Title 27: Alcohol, Tobacco and Firearms
PART 26—LIQUORS AND ARTICLES FROM PUERTO RICO AND THE VIRGIN ISLANDS
Subpart Oa—Shipment of Bulk Distilled Spirits From the Virgin Islands, Without Payment of Tax, for Transfer From Customs Custody to Internal Revenue Bond
§ 26.304 Bulk conveyances to be sealed.