Harmonized Tariff Schedule of the United States · HTS code · HS 8538.90
8538.90.10: Other parts for switching and control apparatus: Of an article of heading 8537 for one of the articles described in additional U.S. note 11 to chapter 85
Other parts for switching and control apparatus
Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026
- 8538 Parts suitable for use solely or principally with the apparatus of heading 8535, 8536 or 8537:
- 8538.90 Other:
- Printed circuit assemblies:
- 8538.90.10 Of an article of heading 8537 for one of the articles described in additional U.S. note 11 to chapter 85
What you pay
Importing into USA
US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.
Additional duties and import rules
Charges on top of the customs duty, and rules the goods must meet at the border.
Additional duties and charges 1
- Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
- Applies to goods from
- China
- In force
- from 24 September 2018
- Legal act
- HTSUS 9903.88.03
Same subheading in other tariffs
8538.90 Parts suitable for use solely or principally with: other
UK Free Third-country duty 10 tariff lines 
EU 1.7% – 3.2% Third-country duty 4 tariff lines · average 2.5% 
Türkiye 1.7% – 3.2% Third-country duty 4 tariff lines · average 2.5% 
Canada Free Third-country duty 8 tariff lines 
Mexico Free Third-country duty 5 tariff lines 
Brazil Free – 16% Third-country duty 3 tariff lines · average 8.9% 
Argentina Free – 16% Third-country duty 3 tariff lines · average 8.9% 
Peru Free Third-country duty 1 tariff line 
New Zealand Free – 5% Third-country duty 11 tariff lines · average 3.6% 
Japan Free Third-country duty 1 tariff line 
Taiwan 2% – 5% Third-country duty 3 tariff lines · average 3.3% 
GCC 5% Third-country duty 1 tariff line 
Switzerland Free Third-country duty 1 tariff line 
Norway Free Third-country duty 1 tariff line 
North Macedonia 1.7% – 3.2% Third-country duty 4 tariff lines · average 2.5% 
Nigeria 5% Third-country duty 1 tariff line USA lines: 8538.90
- 8538.90.10Of an article of heading 8537 for one of the articles described in additional U.S. note 11 to chapter 85
- 8538.90.30Parts suitable for use solely or principally with: other, printed circuit assemblies, other
- 8538.90.40Other, for the articles of subheading 8535.90.40, 8536.30.40 or 8536.50.40, of ceramic or metallic materials, electrically or mechanically reactive to changes in temperature
- 8538.90.60Parts suitable for use solely or principally with: other, other, molded parts
- 8538.90.81Parts suitable for use solely or principally with: other, other, other
Binding rulings for similar goods
Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.
- N344462 U.S. CBP
The tariff classification of an electrical connector cap from China
- N343024 U.S. CBP
The tariff classification of conduit connector from China
- N339672 U.S. CBP
The tariff classification of from an electrical enclosure from China
- N328441 U.S. CBP
The tariff classification of Printed Circuit Board Assemblies (PCBAs) from China.
- 600015005 HMRC
Printed Circuit Assembly for various models of robotic mowers. Robotic mower nose module assembly which serves as a multifunctional interface for the robotic mower. Its primary purposes include: • Connecting to radar for object detection and navigation. • Interface for external accessories,…
- 600013696 HMRC
This component is a Human-Machine Interface (HMI) Console Assembly, designed to display the mower’s settings and operating modes, transmit user commands (e.g. start, stop, mode selection) to the mower’s internal systems. It works by the encoder and/or push-button allow the user to interact with…
- 600013690 HMRC
This component is the main control board (PCBA) for a robotic lawn mower. It is responsible for controlling and coordinating all mower operations, including motor control, navigation, battery management, and safety systems and interfacing with sensors (e.g. collision, lift, tilt, magnetic) and…
- 600013251 HMRC
A part of a control system of components which are intended for lawnmowers (not subject to the ATaR decision.) However the Part is only suitable for use solely or principally with the apparatus of heading(s) 8535, 8536 or 8537. The HMI board displays settings and operating modes, transmitting user…
36 rulings in total for this code
Legal notes
HTS code 8538.90.10 is a line of the Harmonized Tariff Schedule of the United States under HS subheading 8538.90 (parts suitable for use solely or principally with: other).
The general duty is free, and quantities are declared in p/st.
For the same subheading, the UK duty is free, the EU duty is 1.7%–3.2%, the Türkiye duty is 1.7%–3.2%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 0%–16%, the Argentina duty is 0%–16%, the Peru duty is free, the New Zealand duty is 0%–5%, the Japan duty is free, the Taiwan duty is 2%–5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 1.7%–3.2% and the Nigeria duty is 5%.
The United States imported goods of subheading 8538.90 worth US$4bn in 2024; the largest supplier was Mexico.
Questions and answers
What is the USA import duty for HTS code 8538.90.10?
The general duty in the Harmonized Tariff Schedule of the United States is free; the supplementary unit is p/st. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.
Where does the United States import these goods from?
For subheading 8538.90 as a whole, the largest supplier in 2024 was Mexico (US$1bn), followed by China.
Typical products
Everyday names, not part of the legal text.