19 C.F.R. § 12.4 Exportation.
Title 19 - Customs Duties
The exportation of merchandise, the subject of §12.1, refused admission into the United States in accordance with regulations applicable thereto shall be under Customs supervision in accordance with the regulations set forth in §§18.25 and 18.26 of this chapter. [T.D. 68–191, 33 FR 11019, Aug. 2, 1968]
Title 19: Customs Duties
PART 12—SPECIAL CLASSES OF MERCHANDISE
Food, Drugs, and Cosmetics, Economic Poisons, Hazardous Substances, and Dangerous Caustic or Corrosive Substances
§ 12.4 Exportation.

