8542.31.00-Processors and controllers, whether or not combined with

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Harmonized Tariff Schedule (2025 HTS Revision 28 (11/10/2025))

HTS Code	8542.31.00
Article Description	Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits Controllers (including microcontrollers):
Quota of Quantity
Unit of Quantity	[]
Rates of Duty (1-General)	Free
Rates of Duty (1-Special)
Rates of Duty (2-Cuba and North Korea)	35%
Footnotes	[{columns=[general], value=See 9903.91.05. , type=endnote}]
Additional Duty
Additional Duty(products of China)

Section XVI:	Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such Articles
Chapter 85	Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles
Heading 8542	Electronic integrated circuits; parts thereof: Electronic integrated circuits:
Subheading 8542.31.00	Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits Controllers (including microcontrollers):