5509Yarn of synthetic staple fibers, not put up for retail sale
HTS Code 5509 covers any article best defined as Textile and Textile ArticlesMan-made staple fibersYarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale: in the Harmonized Tariff Schedule — covering 18 sub-classifications.
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Relevant HTS Notes
Official USITC notes that may affect classification under HTS 5509.
Search CROSS Rulings for HTS 5509
See how Customs classified similar products. CBP's CROSS database holds the classification rulings that cite 5509.
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What does HTS code 5509 cover?
HTS code 5509 covers yarn of synthetic staple fibers, not put up for retail sale (Yarn (other than sewing thread) of synthetic staple fibers, not put up for retail sale:), classified under Chapter 55 (Man-made staple fibers) in the US Harmonized Tariff Schedule. There are 18 more specific sub-classifications under this code.
Primary Sources
The official documents behind the rates and tariffs on this page. Duties are worked out from them; check the legal text before you file.