Explanatory Notes Discounted
No, this article is not about where to find a cheap copy of the Explanatory Notes to the Harmonized System. Rather, it is about the Federal Circuit decision in Sigma-Tau Healthscience, Inc. v. United States , in which the Court of Appeals discounted the legal impact of a definition in the Explanatory Notes. The case is about the classification of two stabilized forms of the chemical carnitine, which may or may not be a vitamin. Carnatine , which is also known as vitamin Bt, is not called out by name in the Tariff Schedule. Customs classified this merchandise as chemical products and preparations of the chemical or allied industries not elsewhere specified in Heading 3824. Sigma-Tau protested and asserted that the correct classification is as vitamins of 2936. Complicating matters, the Court of International Trade held that the merchandise is classifiable in Heading 2923 as "Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemicall...