2621.90.00.00/Processed Kelp Ash Fertilizer Base/Japan

Processed Kelp Ash Fertilizer Base from Japan

Lightly processed ash from kelp incineration, used as a base for organic fertilizers high in trace minerals. Remains under HTS 2621.90.00.00 as unrefined seaweed ash.

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

• Certify minimal processing to stay in 2621; heavy refinement goes to 3100 series

• Include mineral assay without deductions per statistical notes

• Label botanical origin to avoid mineral misclassification