Planed Birch S4S Boards from Mexico
S4S (surfaced four sides) birch boards, sawn lengthwise, planed/sanded, >6mm thick from Betula spp. Classifies in HTS 4407.96.0019 as other birch lumber. Used for cabinet doors and drawer fronts.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• S4S must not include profiling; tongue/groove edges shift to 4418 joinery
• Test for formaldehyde—birch naturally low but treatments trigger chem regs
• Bundle securely; warping common in birch, document straightness