Oyster Shells from Mexico
Empty shells from shucked oysters, a mollusc product of Chapter 3, used for lime production or poultry grit. HTS 0511.91.00 covers these unfit dead animal remains. Separated from live/fresh oysters in Chapter 3.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Clean shells thoroughly to remove flesh residues avoiding reclassification as food waste
• Declare calcium content if processed for feed to check fertilizer regulations
• Bulk ship to affirm non-retail industrial intent