2621.90.00.00/Processed Kelp Ash Fertilizer Base/Mexico

Processed Kelp Ash Fertilizer Base from Mexico

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 — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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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