4206.00.90.00 - Other

This HTS classification, 4206.00.90.00, encompasses "Other" articles manufactured from animal gut (excluding silkworm gut), goldbeater's skin, bladders, or tendons. It serves as a residual category for items meeting the general material requirements of Chapter 42 but not specifically enumerated in more granular subheadings. Examples within this category could include surgical sutures derived from animal intestines not classified as catgut, or various small articles constructed from bladders for purposes other than those specified elsewhere.

This category is distinguished from its sibling, "Of catgut," by its exclusion of articles specifically made from catgut, which is typically used for surgical sutures and strings for musical instruments and racquets. The "Other" designation means that while the material composition (animal gut, goldbeater's skin, bladders, tendons) aligns with the broader heading 4206, the specific nature or application of the article does not warrant a more precise classification elsewhere within the tariff.

As this is a leaf node within the HTS structure, there are no further subcategories to introduce. Therefore, classification into 4206.00.90.00 hinges on determining that an article is indeed made from the specified animal materials and does not fall under any other more specific provision within Chapter 42 or the broader tariff schedule. Careful examination of the article's construction, intended use, and material origin is crucial for accurate classification.