Masa Harina from Mexico
Masa harina is nixtamalized corn meal where ground product passes 95% through 2 mm sieve, qualifying as corn meal under 1103.13.00 despite alkali processing. Used for tortillas and tamales.
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
• Document nixtamalization process doesn't alter sieve classification criteria
• Provide ash content tests as lime processing may affect mineral deduction calculations
• Label as 'dehydrated nixtamalized corn flour' but classify per particle specs