Enzymes; prepared enzymes not elsewhere specified or included:
Enzymes; prepared enzymes not elsewhere specified or included:
What this covers
Enzymes, including prepared enzymes that are not specified elsewhere in the tariff.
How the 15.0% is built.
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1Apply base HTS rateColumn 1 General (MFN) or Special (FTA)
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2Add Section 301 (if origin qualifies)Chapter 99 subheading layered on
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3Add IEEPA / 232 surchargesCountry-scoped emergency measures
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4Add MPF & HMF feesApplied to entered value
You may also consider
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3507.00.00
Enzymes, prepared enzymes not elsewhere specified or included, parent heading for this product family.
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3506.00.00
Enzymes, prepared enzymes not elsewhere specified or included, other than those of heading 3507.
Rate by country of origin
Same HTS, very different landed cost. Here's how 3507 looks from the top trading partners — on a $10,000 shipment.
Citations for 3507
FAQ for this HTS code.
What is this HTS code?
This is a US Harmonized Tariff Schedule (HTS) code that classifies "Enzymes; prepared enzymes not elsewhere specified or included:". It determines base duty rates for imports; additional duties may apply by country of origin.
Does origin affect duty?
Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.
How do I compute total duty?
Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.