TARIFF SCHEDULES OF THE UNITED STATES
SCHEDULE 4. - CHEMICALS AND RELATED PRODUCTS Part 3, - Drugs and Related Products
191 Rates of Duty
PART
3, - D R U G S A N D R E L A T E D
PRODUCTS
Part 3 headnotes; I. Any product described In this part which Is a mixture containing as an Ingredient any product described In part I of this schedule remains classifiable in part 3 unless the part I Ingredient, as used in the mixture. Imparts therapeutic or medicinal properties thereto. Notwithstanding the provisions of part I of this schedule, niacin, niacinamide, meso-inositol hexanlcotInate, and pyrldoxine (vitamin B,l, regardless of source, are classifiable in part 3 of this schedule, 2, For the purposes of the tariff schedules, the term "drugs" means those substances, whether natural or synthetic, hiving therapeutic or medicinal properties and chiefly used as medicines or as Ingredients in medicines. 3.
For the purposes of this part — (a) "natural substances" are those substances found in nature which comprise whole plants and herbs, anatomical parts thereof, vegetable saps, extracts, secretions and other constituents thereof; whole animals, anatomical parts thereof, glands or other animal organs, extracts, secretions and other constituents thereof, and which have not had changes made In their molecular structure as found In nature; (b) a "synthetic substance" is a chemical compound made by the artificial combination of elements or radicals by any physical or chemical process; (c) the term "crude". as used in relation to natural products, means any product which has not been advanced in value or improved in condition by shredding, grinding, chipping, crushing, distilling, evaporating, extracting, by artificial mixing with other substances or by any other process or treatment beyond that which is essential to its proper packing and the prevention of decay or deterioration pending manufacture; and ( d) the term "advanced": as used In relation to natural products, means any product which has been advanced in value or Improved In condition from its crude state by any mechanical or physical process whatever beyond that which is essential to its proper packing and the prevention of decay or deterioration pending manufacture, but does not include any product which has been artificially mixed with other substances or the molecular structure of which as found in nature has been changed.
Subpart A. - Natural Drugs, Crude or Advanced Subpart A headnote; I. This subpart covers only products which are natural drugs, crude or advanced.
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