Frozen Pacific Flounder Blocks from United States
Frozen Pacific flounder blocks (Atheresthes stomias) are flatfish from the Pleuronectidae family, caught in North Pacific waters and frozen at sea. They are classified under tariff item 0303.39.00 as 'other' frozen flatfish, excluding fillets and offal. The blocks are not pellets or meals, so they stay within heading 03.03.
Duty Rate — United States → Canada
25%
Rate breakdown
26SUR2525%United States Surtax Order (2026) — 25% on US products
Import Tips
• Verify the product is in block form and not further processed into fillets or meat, which would change classification
• Provide catch location and species documentation to the CBSA
• Ensure freezing occurred at sea to maintain the frozen status required for this tariff item