Timolol Maleate / Dorzolamide Combination Eye Drops from Canada
Fixed-dose combination eye drops containing timolol maleate and dorzolamide for enhanced glaucoma control, in retail dispenser bottles. Despite the mixture, primary classification under HTS 3004.90.92.72 is driven by timolol maleate content for eye therapy in measured doses. This reflects specific chemical identification in the tariff.
Duty Rate — Canada → United States
100%
Rate breakdown
9903.04.60100%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Submit FDA ANDA approval for combo products and list both actives on commercial invoice accurately
• Document quantitative composition of timolol maleate to justify specific HTS subheading
• Prevent delays by pre-clearing with FDA for multi-active ophthalmic imports