HS 0508: Coral and similar materials, unworked or simply prepared but not otherwise worked; shells of molluscs, crustaceans or echinoderms and cuttle-bone, unworked or simply prepared but not cut to shape, powder and waste thereof

Note 1. This Chapter does not cover: a. Edible products (other than guts, bladders and stomachs of animals, whole and pieces thereof, and animal blood, liquid or dried); b. Hides or skins (including furskins) other than goods of 0505 and parings and similar waste of raw hides or skins of 0511 (Chapter 41 or 43); c. Animal textile materials, other than horsehair and horsehair waste (Section XI); or d. Prepared knots or tufts for broom or brush making (9603). 2. For the purposes of 0501.00.00, the sorting of hair by length (provided the root ends and tips ends respectively are not arranged together) shall be deemed not to constitute working. 3. Throughout this Schedule, elephant, hippopotamus, walrus, narwhal and wild board tusks, rhinoceros horns and the teeth of all animals are regarded as "ivory". 4. Throughout this Schedule, "horsehair" means hair of the manes or tails of equine or bovine animals. 0511 covers, inter alia, horsehair and horsehair waste, whether or not put up as a layer with or without supporting material.