HS Code 90319020 - Parts, accessories, optical

Parts and accessories for optical instruments and appliances for inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices or for measuring surface particulate contamination on semiconductor wafers, n.e.s.

Trade restrictions and policies

Chapter 90
53 Trade restrictions and policies
Position 9031
9 Trade restrictions and policies
Subheading 903190
18 Trade restrictions and policies
Customs Tariff Number 90319020
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Changes to this tariff number

Changes based from 90319020
2016: 90319020
2017: 90319000

Changes in favor of 90319020
1997: 90319090
1998: 90319020