TourAxiom/US Federal/Statutes/Hts/§ 9508.21.00.00HTS 9508.21.00.00∀4 rulesOfficial sourcegraph ↗build calculator ↗citeRoller coasters Unit of quantity: No. Rates of duty (1-General): Free Rates of duty (2): 35%← HTS 9508.10.00.00HTS 9508.22.00.00 →