Native Crude Sulfur Ore from Mexico
Raw sulfur extracted directly from volcanic deposits or caprock formations, containing impurities like soil and rock. Classified under HTS 2503.00.0010 as crude or unrefined sulfur, excluding sublimed, precipitated, or colloidal forms per Chapter 25 notes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify sulfur content via assay certificates to confirm crude status and avoid reclassification to refined sulfur (2802)
• Provide geological source documentation, as native sulfur from specific mines may qualify for preferential tariffs