Harmonized System
Section I > Chapter 5 > Heading 0504 > 0504.00
Guts, bladders and stomachs of animals (other than fish), whole and pieces thereof, fresh, chilled, frozen, salted, in brine, dried or smoked
Section I > Chapter 5 > Heading 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.
Section I > Chapter 5 > Heading 0505 > 0505.10
Feathers of a kind used for stuffing; down
Section I > Chapter 5 > Heading 0506
Bones and horn-cores, unworked, defatted, simply prepared (but not cut to shape), treated with acid or degelatinised; powder and waste of these products.
Section I > Chapter 5 > Heading 0506 > 0506.10
Ossein and bones treated with acid
Section I > Chapter 5 > Heading 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.
Section I > Chapter 5 > Heading 0507 > 0507.10
Ivory; ivory powder and waste