| 0504.00.00 | 20 | Prepared for use as sausage casings: | | | | |
| 0504.00.00 | | Guts, bladders and stomachs of animals (other than fish), whole and pieces thereof, fresh, chilled, frozen, salted, in brine, dried orsmoked | | Free | | Free |
| 0505 | | Skins and other parts of birds, with their feathers or down, feathers and parts of feathers(whether or not with trimmed edges) and down, not further worked than cleaned, disinfected or treated for preservation; powder and waste of feathers or parts of feathers: | | | | |
| 0505.10.00 | | Feathers of a kind used for stuffing; down | | Free | | 20% |
| 0505.10.00 | 50 | Meeting both test standards 4 and 10.1 of Federal Standard 148a promulgated by the General Services Administration: | | | | |
| 0505.10.00 | 55 | Down | kg | | | |
| 0505.10.00 | 65 | Down | kg | | | |
| 0505.90.20 | | Feather meal and waste | | 2.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 20% |
| 0506 | | Bones and horn-cores, unworked, defatted, simply pre- pared (but not cut to shape), treated with acid or degelatinized; powder and waste of these products: | | | | |
| 0506.10.00 | 00 | Ossein and bones treated with acid | kg | Free | | Free |
| 0506.90.00 | 20 | Bones, crude, steamed or ground | kg | | | |
| 0507 | | Ivory, tortoise-shell, whalebone and whalebone hair, horns, antlers, hooves, nails, claws and beaks, unworked or simply prepared but not cut to shape; powder and waste of these products: | | | | |
| 0507.10.00 | 00 | Ivory; ivory powder and waste | kg | Free | | Free |
| 0508.00.00 | 00 | Coral and similar materials, unworked or simply prepared but not otherwise worked; shells of molluscs, crustaceans or echinoderms and cuttlebone, unworked or simply prepared but not cut to shape, powder and waste thereof | kg | Free | | Free |
| 0510.00 | | Ambergris, castoreum, civet and musk; cantharides; bile, whether or not dried; glands and other animal products used in the preparation of pharmaceutical products, fresh, chilled, frozen or otherwise provisionally preserved: | | | | |
| 0510.00.20 | 00 | Ambergris, castoreum, civet and musk | kg | 5.1% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 20% |
| 0510.00.40 | 10 | Pancreas glands | kg | | | |
| 0510.00.40 | 20 | Bile and other animal secretions | kg | | | |
| 0510.00.40 | 40 | Cantharides; glands (other than pancreas), organs and other animal products used in the preparation of pharmaceutical products | kg | | | |
| 0511 | | Animal products not elsewhere specified or included; dead animals of chapter 1 or 3, unfit for human consumption: | | | | |
| 0511.10.00 | 10 | Dairy | doses | | | |
| 0511.91.00 | | Products of fish or crustaceans, molluscs or other aquatic invertebrates; dead animals of chapter 3 | | Free | | Free |
| 0511.91.00 | 10 | Fertilized fish eggs | kg | | | |
| 0511.99.20 | 00 | Parings and similar waste of raw hides or skins; glue stock not elsewhere specified or included | kg | Free | | Free |
| 0511.99.30 | | Products chiefly used as food for animals or as ingredients in such food | | Free | | 10% |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
