Section 01 Live animals; animal products. 05 Products of animal origin, not elsewhere specified or included 05 06 Bones and horn-cores, unworked, defatted, simply prepared (but not cut to shape), treated with acid or degelatinised; powder and waste of these products 05 06 10 - Ossein and bones treated with acid Commodity Code Description 05 06 10 00 - Ossein and bones treated with acid