Oxidized Fish Oil from Mexico
Oxidized fish oil is chemically modified by controlled oxidation to raise peroxide value for leather tanning and printing inks. HTS 1518.00.40.00 includes such inedible modified marine oils.
Duty Rate — Mexico → United States
18%
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
• Provide peroxide value test results (>10 meq/kg) proving oxidation modification
• Declare EPA/omega-3 content to counter food-grade assumptions
• Use nitrogen blanketing during storage to prevent further auto-oxidation