9031.49.70.00-For inspecting masks (other than photomasks) used in

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Harmonized Tariff Schedule (2024 HTS Revision 9)

HTS Code	9031.49.70.00
Article Description	For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices
Quota of Quantity
Unit of Quantity	[No.]
Rates of Duty (1-General)	Free
Rates of Duty (1-Special)
Rates of Duty (2-Cuba and North Korea)	50%
Footnotes	[general], marker=1, See 9903.88.01., type=endnote
Additional Duty
Additional Duty(products of China)	The duty provided in the applicable subheading plus 25%

Section XVIII:	Optical, Photographic, Cinematographic, Measuring, Checking, Precision, Medical or Surgical Instruments and Apparatus; Clocks and Watches; Musical Instruments; Parts and Accessories Thereof
Chapter 90	Optical, photographic, cinematographic, measuring, checking, precision, medical or surgical instruments and apparatus; parts and accessories thereof
Heading 9031	Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof:
Subheading 9031.49	Other: