Block Frozen Herring from Mexico
Herring (Clupea spp.) frozen in large blocks of multiple whole fish, typically 20-40kg for industrial use. HTS 0303.51.00.00 for frozen whole herrings, form of freezing irrelevant.
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
• Bulk blocks need weight-out certificates accurate to 0.1%; discrepancies lead to valuation disputes
• Refrigerated container specs mandatory (reefer set to -25°C); heat damage voids claims
• Screen for block-processed fillets disguised as whole, shifting to higher-duty 0304