HS 903290 Parts and accessories
Quick Answer: Parts and accessories for automatic regulating or controlling instruments and apparatus, imported under HS 903290, enter the UK at 2.00%, the EU at 2.80%, and the US at rates ranging from Free to 25% ad valorem, with specific preferential rates available for certain trading partners. This classification covers components such as sensors, actuators, and control modules designed for use with instruments that automatically adjust variables like temperature, pressure, or flow. Importers and customs brokers should carefully verify the specific subheadings and applicable preferential treatment, as detailed on platforms like CustomTariffs, to ensure accurate duty assessment and compliance.
What Are the Import Duty Rates?
🇬🇧 United Kingdom
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 9032900000 | — | — | — |
| 9032900010 | — | — | — |
| 9032900090 | 2.00 % | — | — |
🇪🇺 European Union (TARIC)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 9032900000 | — | — | — |
| 9032900010 | — | — | — |
| 9032900090 | 2.80 % | — | — |
🇺🇸 United States (HTSUS)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 9032902100 | 1.1% | Free (19 programs) | ["kg"] |
| 903290 | — | — | — |
| 9032904100 | 1.7% | Free (18 programs) | ["kg"] |
| 90329061 | 1.7% | Free (19 programs) | — |
| 9032906120 | — | — | ["kg"] |
Special rates available under trade agreements including USMCA, KORUS, GSP.
Duty rates sourced from the USITC (US International Trade Commission) Harmonized Tariff Schedule (HTS) (accessed 2/22/2026), EU TARIC – DG TAXUD (Directorate-General for Taxation and Customs Union) (accessed 2/22/2026), and UK Trade Tariff – HMRC (His Majesty's Revenue and Customs) (accessed 2/22/2026).
Data compiled and presented by HSRates.
Which Trade Agreements Reduce Duties for HS 9032.90?
Imports of Parts and accessories may qualify for reduced or zero duty rates under free trade agreements and preferential programs. The overview below shows available preferential arrangements by jurisdiction, compiled by HSRates from official tariff and trade agreement data.
United States (HTSUS)
Free for USMCA, KORUS, GSP, and 16 other programs
European Union (TARIC)
Preferential rate data not yet available.
United Kingdom
Preferential rate data not yet available.
Preferential rates require proof of origin and may be subject to quotas or conditions. Always verify eligibility with a licensed customs broker.
Data compiled by HSRates.
Which Preferential Rates Apply to Your Origin Country?
Select an origin country to see if preferential rates apply.
Preferential rates based on available trade agreements. Actual rates may vary.
How Has Trade Volume Developed?
Trade Volume 2023
How to Classify This HS Code?
What products does HS 903290 cover?
This subheading covers parts and accessories specifically designed for use with automatic regulating or controlling instruments and appliances of heading 9032, as defined by the World Customs Organization (WCO) Harmonized System (HS) Nomenclature. This includes components such as sensors, actuators, printed circuit boards, housings, and connectors intended solely for thermostats, pressure regulators, humidity regulators, and similar automatic control devices. Official definitions from sources like the USITC Harmonized Tariff Schedule (HTS) and the EU TARIC database confirm this scope, focusing on items integral to the function of the parent apparatus.
What falls outside HS 903290?
The following products are excluded from HS 903290: general-purpose electronic components that are not specifically designed for instruments of heading 9032, such as standard resistors or capacitors; complete instruments of heading 9032 themselves; and parts for manually operated regulating or controlling instruments. For instance, a universal power adapter or a generic display screen not exclusively intended for an automatic regulator would be classified elsewhere, often under chapter 85 for electrical machinery and equipment.
What are common classification mistakes for HS 903290?
A common error is classifying a component that has a dual use or is not exclusively for automatic regulators of heading 9032. For example, a general-purpose temperature sensor that can be used in various applications beyond automatic control systems might be misclassified here. Adherence to General Interpretative Rule 1 (GIR 1) and Section VI Note 1 of the HTS is crucial, ensuring the part's specific function and intended use with the parent apparatus are clearly established.
How should importers classify products under HS 903290?
The correct procedure for classifying products under HS 903290 involves a thorough examination of the part's design, function, and intended application. Importers and customs brokers must consult the Explanatory Notes to the Harmonized System and the specific tariff schedule of the importing country, such as the USITC HTS or the UK Trade Tariff. Verifying that the part is exclusively for an automatic regulating or controlling instrument of heading 9032 is paramount.
How is the duty calculated for products under HS 903290?
A specific electronic temperature sensor for a residential HVAC thermostat, weighing 0.05 kg and declared at a customs value of $50 USD, would attract a US duty of $2.50. This is calculated using the Most Favored Nation (MFN) duty rate of 5.0% ad valorem, applied to the declared value: 5.0% × $50 USD = $2.50. This calculation is based on the rates published in the USITC Harmonized Tariff Schedule.
Which trade agreements reduce duties for HS 903290?
Several free trade agreements may reduce the applicable duty rate for HS 903290, including the United States-Mexico-Canada Agreement (USMCA), which can result in a duty rate of Free for qualifying originating goods from Canada and Mexico. Additionally, preferential rates may be available under GSP (Generalized System of Preferences) for certain developing countries, often requiring a GSP Form A. For EU/UK trade, a EUR.1 movement certificate or an origin declaration on the invoice is typically required to claim preferential rates, which can be Free or significantly reduced.
```Which HS Codes Are Related?
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FAQ
What are the typical import duty rates for HS code 903290 in the United States?
The U.S. Most Favored Nation (MFN) duty rate for HS code 903290, covering parts and accessories of automatic regulating or controlling instruments and apparatus, is generally 2.00% ad valorem. However, specific rates can vary based on the exact nature of the part or accessory and the country of origin. It is crucial to consult the Harmonized Tariff Schedule of the United States (HTSUS) maintained by the USITC for the definitive rate applicable to your specific import.
How is the import duty for HS code 903290 calculated, and can you provide an example?
The duty for HS code 903290 is typically calculated on an ad valorem basis, meaning it's a percentage of the declared customs value of the goods. For example, if the MFN duty rate is 2.00% and you import parts valued at $10,000 USD, the duty would be calculated as: $10,000 (Value) × 0.02 (Duty Rate) = $200 USD. Always ensure your declared customs value is accurate and includes all elements required by U.S. Customs and Border Protection (CBP).
What preferential duty rates are available for HS code 903290 under various trade agreements?
HS code 903290 benefits from preferential duty rates under several U.S. Free Trade Agreements (FTAs). For instance, goods originating from countries like Australia (AU), Canada (CA - USMCA), Chile (CL), South Korea (KR), Mexico (MX - USMCA), and Singapore (SG) may be eligible for reduced or free entry, often listed as 'Free (A,AU,C,CL,CO,KR,MX,SG)' in the HTSUS. To claim preferential treatment, importers must possess a valid Certificate of Origin and ensure the goods meet the rules of origin stipulated in the respective trade agreement. Always verify the specific eligibility and documentation requirements for each trade agreement.
What documentation is typically required when importing parts and accessories under HS code 903290?
When importing goods classified under HS code 903290, standard import documentation is required, including a commercial invoice, packing list, and bill of lading or air waybill. Crucially, to claim preferential duty rates under any Free Trade Agreement, a valid Certificate of Origin specific to that agreement is mandatory. For certain advanced or specialized parts, additional certifications or technical specifications might be requested by U.S. Customs and Border Protection (CBP) to verify compliance and correct classification. Importers should maintain detailed records of the goods' origin and specifications.
Are there any specific classification criteria that distinguish parts and accessories under 903290 from finished goods?
Yes, the classification under HS code 903290 hinges on the item's function and intended use. 'Parts and accessories' generally refer to components that are integral to the functioning of automatic regulating or controlling instruments and apparatus (classified in heading 9032), but are not themselves complete regulating or controlling instruments. For example, a sensor element designed solely to be incorporated into a thermostat would likely be classified here, whereas a complete thermostat unit would be classified under 9032. If an item can function independently as a regulating or controlling instrument, it should not be classified as a part or accessory under 903290. Referencing the WCO Harmonized System Explanatory Notes and the HTSUS General Rules of Interpretation (GRIs) is essential for accurate classification.