Tandom · Duty calculator
Add country and invoice value for the full duty stack — base + 301 + 232 + AD/CVD + fees.
HTS 0304.83.10.20 is the U.S. Harmonized Tariff Schedule classification for Flounder. It's a 10-digit statistical line in Chapter 03: Fish and crustaceans, molluscs and other aquatic invertebrates, Section I: Live Animals; Animal Products, used by U.S. Customs and Border Protection to determine the duty rate at entry. 3 Chapter 99 tariff modifications currently stack on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.88.01 | section_301 | The duty provided in the applicable subheading plus 25% |
| 9903.88.15 | section_301 | The duty provided in the applicable subheading + 7.5% |
| 9903.88.69 | section_301 | The duty provided in the applicable subheading |
HTS 0304.83.10.20 is the U.S. Harmonized Tariff Schedule classification for Flounder. It belongs to Chapter 03 of the HTSUS.
The general (Column 1) duty rate for HTS 0304.83.10.20 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 0304.83.10.20 is 2.8¢/kg. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Yes — HTS 0304.83.10.20 is covered by section_301 provision 9903.88.01 (The duty provided in the applicable subheading plus 25%). 2 additional overlays also touch this code. Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 0304.83.10.20 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
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