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CCA-Treated Oak Fence Posts from Mexico

Nonconiferous oak posts pressure-treated with chromated copper arsenate (CCA) for agricultural fencing. Supplied in rough form, suitable for direct ground insertion, classified under HTS 4403.12.0050 as other treated nonconiferous posts.

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

• Include chemical analysis reports confirming preservative type and concentration meets US standards

• Label clearly as 'pressure-treated' to distinguish from untreated rough wood under 4403.10

• Monitor EPA restrictions on CCA-treated wood for residential vs. commercial applications