HTS Browser / Section XVI — Machinery, electrical equipment / Chapter 85 / Heading 8531 / 8531
HTS 8531 Chapter 85 Section XVI Synced Apr 28, 2026

Electric sound or visual signaling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 8512 or 8530; parts thereof:

Electric sound or visual signaling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 8512 or 8530; parts thereof:

Base HTS duty
Column 1 General
Effective (China)
15%
Ch. 99
Stacked measures
1
at China
Last change
2 months
Ch. 99 15.0%

What this covers

Electric sound or visual signaling apparatus such as bells, sirens, indicator panels, burglar or fire alarms, excluding those covered under headings 8512 or 8530, and their parts.

fire alarm system security siren indicator panel burglar alarm traffic signal light
Duty stack · origin china

How the 15.0% is built.

0%3.8%7.7%11.5%15.4%
122 · 15.0%
Section 122
All origins except · 9903.01.80
+15.00%
MPF (merchandise processing)
0.3464% · min $31.67 / max $614.35
+0.35%
Effective ad valorem duty (excl. fees)
15.00%
Stacking order
  1. 1
    Apply base HTS rate
    Column 1 General (MFN) or Special (FTA)
  2. 2
    Add Section 301 (if origin qualifies)
    Chapter 99 subheading layered on
  3. 3
    Add IEEPA / 232 surcharges
    Country-scoped emergency measures
  4. 4
    Add MPF & HMF fees
    Applied to entered value

You may also consider

  • 8530

    Electric sound or visual signaling apparatus, other than those of heading 8512 or 8531; parts thereof.

  • 8512

    Electrical apparatus for switching or protecting electrical circuits, adjacent classification.

  • 8532

    Electric sound or visual signaling apparatus for use in vehicles.

Origin matters

Rate by country of origin

Same HTS, very different landed cost. Here's how 8531 looks from the top trading partners — on a $10,000 shipment.

FTA partner Section 301 IEEPA in effect
Rates from last sync on Apr 28, 2026 · assumes entered value $10,000 · fees (MPF/HMF) excluded from the comparison above.
Popular in Chapter 85

Related HTS codes

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Questions about 8531

FAQ for this HTS code.

What is this HTS code?

This is a US Harmonized Tariff Schedule (HTS) code that classifies "Electric sound or visual signaling apparatus (for example, bells, sirens, indicator panels, burglar or fire alarms), other than those of heading 8512 or 8530; parts thereof:". 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.

Never miss a rate change on 8531.
We'll email you within an hour of any measure affecting this code.
Tariff data is informational; final determinations are made by CBP.
HTS 8531 · synced Apr 28, 2026 14:34 UTC