Insecticides under heading 380891 encompass a broad range of formulated pest-control products — from mechanical fly ribbons to aromatic and inorganic compound-based formulations — that fall outside the specific substances reserved by Subheading Note 1 to Chapter 38. The US schedule breaks this heading into six tariff lines distinguishing products by chemical composition, including aromatic or modified-aromatic content and inorganic-substance content, each of which may carry different duty treatment. Several lines are subject to Section 301 tariffs for goods of Chinese origin, and imports from India and Mexico — the other leading suppliers — should be evaluated for antidumping or countervailing duty orders that may apply to specific active ingredients. EPA registration requirements under FIFRA govern the admissibility of pesticide products entering US commerce, and importers must ensure each formulation is registered or otherwise authorized before shipment.

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