| 9030.90.88 | 23 | Of articles of subheading 9030.33 | X | | | |
| 9030.90.88 | 31 | Of articles of subheading 9030.39 | X | | | |
| 9030.90.88 | 40 | Of articles of subheading 9030.40 | X | | | |
| 9030.90.88 | 56 | Of articles of subheading 9030.84 | X | | | |
| 9031 | | Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: | | | | |
| 9031.10.00 | 00 | Machines for balancing mechanical parts | X | 1.7% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 40% |
| 9031.41.00 | | Other optical instruments and appliances: | | | | |
| 9031.41.00 | | For inspecting semiconductor wafers or devices or for inspecting photomasks or reticles used in manufacturing semiconductor devices | | Free | | 50% |
| 9031.41.00 | 20 | For inspecting photomasks or reticles used in manufacturing semiconductor devices | No. | | | |
| 9031.41.00 | 40 | For inspecting semiconductor wafers or devices: | | | | |
| 9031.49.40 | 00 | Coordinate-measuring machines | No. | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 50% |
| 9031.49.70 | 00 | For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices | No. | Free | | 50% |
| 9031.80 | | Other instruments, appliances and machines: | | | | |
| 9031.80.40 | 00 | Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles | No. | Free | | 40% |
| 9031.80.80 | 60 | Equipment for testing the characteristics of internal combustion engines: | | | | |
| 9031.80.80 | 60 | For testing electrical characteristics | X | | | |
| 9031.90.45 | 00 | Of other optical instruments and appliances, other than test benches: | | | | |
| 9031.90.45 | 00 | Bases and frames for the coordinate-measuring machines of subheading 9031.49.40 | X | 3.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 50% |
| 9031.90.54 | 00 | Of optical instruments and appliances of subheading 9031.41 or 9031.49.70 | X | Free | | 50% |
| 9031.90.70 | 00 | Of articles of subheading 9031.80.40 | X | Free | | 40% |
| 9031.90.90 | 30 | Of machines for balancing mechanical parts | X | | | |
| 9032 | | Automatic regulating or controlling instruments and apparatus; parts and accessories thereof: | | | | |
| 9032.10.00 | 30 | For air conditioning, refrigeration or heating systems: | | | | |
| 9032.10.00 | 30 | Designed for wall mounting | No. | | | |
| 9032.81.00 | | Other instruments and apparatus: | | | | |
Harmonized Tariff Schedule of the United States inquiry: ɡ
