Tufa Limestone Slabs from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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