19 C.F.R. § 12.119 Scope.
Title 19 - Customs Duties
Sections 12.120 through 12.127 apply to the importation into the customs territory of the United States of chemical substances in bulk and as part of mixtures under TSCA. Sections 12.120 through 12.127 also apply to articles containing a chemical substance or mixture if so required by the Administrator by specific rule under TSCA.
Title 19: Customs Duties
PART 12—SPECIAL CLASSES OF MERCHANDISE
Chemical Substances in Bulk and as Part of Mixtures and Articles
§ 12.119 Scope.