Limestone Building Blocks from Mexico
Rectangular limestone blocks sawn for use in constructing walls, monuments, and architectural features. Classified under HTS 2516.90.00.60 as other monumental or building stone, distinct from marble or travertine. Ideal for historical restorations due to its weathering resistance.
Duty Rate — Mexico → United States
13%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide lab analysis confirming <70% iron content to avoid earth color exclusion in Chapter 28
• Use photos and measurements to prove 'merely cut by sawing' status; grinding disqualifies
• Check for dolomite content; high levels may require ramming mix classification under 3816