HTS code 0303 — Fish, frozen, excluding fish fillets and other fish meat of heading 0304

Tariff lines under heading 0303

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

Documents required to import under 0303

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

• Commercial InvoiceRequired
• Packing ListRequired
• Bill of Lading / Airway BillRequired
• CBP Entry Summary (7501)Required

  Prepared and filed by your customs broker

• CBP Entry / Release (3461)Required

  Prepared and filed by your customs broker

• Customs Bond (CBP 301)Conditional

  Required for formal entries — generally shipments valued over $2,500

  Single-entry or continuous bond, obtained through your broker or a surety

• Importer Security Filing (ISF "10+2")Conditional

  Required for ocean freight only

  Filed electronically at least 24 hours before loading at the foreign port

• Importer ID Input Record (CBP 5106)Conditional

  Required to establish or update your importer-of-record number with CBP

  One-time setup for a new importer; not filed per shipment

• Entry Manifest (CBP 7533)Conditional

  Alternative to the 3461 for informal, low-value, or contiguous-country entries

• USDA Import PermitRequired

  Must be obtained before shipment arrives

• Veterinary Health CertificateRequired

  Issued by official vet in country of origin

• APHIS Import Permit for Animal Products (VS 17-129)Conditional

  Required for animal products, byproducts, or in-transit shipments

• FWS Wildlife Declaration (Form 3-177)Conditional

  Required for wildlife, wildlife products, or CITES-listed species

  Filed with U.S. Fish & Wildlife Service at a designated port

• FDA Prior NoticeRequired

  Must be submitted 2-8 hours before arrival

• Phytosanitary CertificateConditional

  Required for plant-based products

Common questions

What is HTS code 0303?

HTS heading 0303 covers fish, frozen, excluding fish fillets and other fish meat of heading 0304. It sits in Chapter 03 (fish and seafood) of the US Harmonized Tariff Schedule and contains 86 tariff lines.

What is the duty rate for HTS 0303?

General duty rate of 15%, with 75 duty-free lines; 10 lines carry a specific or compound duty. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.

How many digits does a full HTS code have?

US import entries require the full 10-digit HTS code. Heading 0303 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 03

• 0301Live fish
• 0302Fish, fresh or chilled, excluding fish fillets and other fish meat of heading 0304
• 0304Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen
• 0305Fish, dried, salted or in brine; smoked fish, whether or not cooked before or during the smoking process
• 0306Crustaceans, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked crustaceans, whether in shell or not, whether or not cooked before or during the smoking process; crustaceans, in shell, cooked by steaming or by boiling in water, whether or not chilled, frozen, dried, salted or in brine
• 0307Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, whether or not cooked before or during the smoking process
• 0308Aquatic invertebrates other than crustaceans and molluscs, live, fresh, chilled, frozen, dried, salted or in brine; smoked aquatic invertebrates other than crustaceans and molluscs, whether or not cooked before or during the smoking process
• 0309Flours, meals and pellets of fish, crustaceans, molluscs and other aquatic invertebrates, fit for human consumption