• 1.0
• NY d80760
• Aug 20, 1998

• Type: Classification • HTSUS: 9001.90.9000
  

The tariff classification of filter plates from China

• 1.0
• NY h81010
• May 29, 2001

• Type: Classification • HTSUS: 9001.90.9000
  

The tariff classification of photographic optical filters

• 1.0
• HQ H072723
• Dec 14, 2010

• Type: Classification • HTSUS: 9001.90.90
   Related:   38118; 100125; 100126; 100127; 100128; 100129; 100131; 100132; 100133; 100169; 35127; 960815; 965524; 965967   

Tariff classification of Corning Inc. PPMgLN Waveguide; Application for Further Review of Protest Numbers 2006-09-100125, 2006-09-100126, 2006-09-100127, 2006-09-100128, 2006-09-100129, 2006-09-100131, 2006-09-100132, 2006-09-100133, and 2006-09-100169.

• 1.0
• NY N224376
• Jul 31, 2012

• Type: Classification • HTSUS: 3920.61.0000
  

The tariff classification of polycarbonate sheets

• 1.0
• HQ 959905
• Jan 22, 1999

• Type: Classification • HTSUS: 7005.21.10; 7005.21.20; 7014.00.20
   Related:   957373; 951709   

Protest 2809-96-101123; colored filter glass, unpolished and polished, in material sizes; EN 90.01; not "optically worked"; optical element; Additional U.S. Note 1, Chapter 90; Heading 7014; EN 70.14; "blanks"; EN GRI Rule 2(a)(II); Heading 7005; Note 2(b), Chapter 70; HQs 951709; 957373

• 1.0
• NY 887304
• Jun 21, 1993

• Type: Classification • HTSUS: 9001.90.9000
  

The tariff classification of Mica Light Retarders from theUnited Kingdom

• 1.0
• NY 810556
• Jun 08, 1995

• Type: Classification • HTSUS: 9001.90.9000
  

The tariff classification of optical windows and blanks from Russia and Ukraine

• 1.0
• HQ 954861
• Oct 18, 1993

• Type: Classification • HTSUS: 7020.00.00
  

Glass Molds for Plastic Ophthalmic Lenses; Chapter 90, Additional U.S. Note 1; Optically Worked; 9001.90.90

• 1.0
• HQ 087563
• Oct 19, 1990

• Type: Classification • HTSUS: 9001.90.90
  

Plastic filter lens; Heading 9001; lens; Photonics Dictionary(1989); Webster's II New Riverside University Dictionary (1984);Subheading 9001.90.40; filter; Explanatory Note 90.01(D)(5) &(9); Subheading 9001.90.90.

• 1.0
• NY N304883
• Jul 10, 2019

• Type: Classification; Origin • HTSUS: 9002.90.9500; 9903.88.01
   Related:   W968434   

The tariff classification and country of origin of optical elements from Taiwan and China