IQF Frozen Herring from Mexico
Individually Quick Frozen (IQF) whole herrings (Clupea pallasii), each fish frozen separately for easy portioning. HTS 0303.51.00.00 applies to all frozen whole herrings of these species, including IQF technology.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• IQF requires proof of individual freezing process in entry docs to distinguish from block-frozen under same code
• Test for histamine levels mandatory for scombroid species relatives; herrings prone to issues
• Avoid partial thawing in shipping; CBP may reject if not demonstrably frozen whole fish