Tufa Limestone Slabs from Mexico
Porous tufa limestone slabs cut into rectangular blocks for decorative building features and garden monuments. Classified in HTS 2516.90.00 as other building stone, roughly trimmed only.
Duty Rate — Mexico → United States
13%
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
• Ensure no chemical treatments; medicaments exclusion (Ch. 30) applies if altered
• Measure thickness precisely; split block forms might reference mica notes but irrelevant here
• Customs may scrutinize as dolomite—provide mineral analysis