HTS Number	Description	Unit of Quantity	General Rate of Duty	Details
0506	Bones and horn-cores, unworked, defatted, simply prepared (but not cut to shape), treated with acid or degelatinized; powder and waste of these products:
0506 1000.00	Ossein and bones treated with acid	kg	Free	More
0506 9000	Other		Free
0506 9000.20	Bones, crude, steamed or ground	kg	Free	More
0506 9000.40	Other	kg	Free	More