Heading 9031
HTS code 9031 — Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof
- Tariff lines
- 21
- General duty
- General duty rate of 1.7%, with 20 duty-free lines
Tariff lines under heading 9031
Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.
| HTS code | Description | General rate | Unit |
|---|---|---|---|
| 9031.10.0000 | Machines for balancing mechanical parts (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof) | Free | No. |
| 9031.20.0000 | Test benches (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof) | 1.7% | No. |
| 9031.41.0020 | For inspecting photomasks or reticles used in manufacturing semiconductor devices (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits)) | Free | No. |
| 9031.41.0040 | For wafers (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits) > For inspecting semiconductor wafers or devices) | Free | No. |
| 9031.41.0060 | Other (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > For inspecting semiconductor wafers or devices (including integrated circuits) or for inspecting photomasks or reticles used in manufacturing semiconductor devices (including integrated circuits) > For inspecting semiconductor wafers or devices) | Free | No. |
| 9031.49.1000 | Profile projectors (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > Other) | Free | No. |
| 9031.49.4000 | Coordinate-measuring machines (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > Other) | Free | No. |
| 9031.49.7000 | For inspecting masks (other than photomasks) used in manufacturing semiconductor devices; for measuring surface particulate contamination on semiconductor devices (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > Other) | Free | No. |
| 9031.49.9000 | Other (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other optical instruments and appliances > Other) | Free | No. |
| 9031.80.4000 | Electron beam microscopes fitted with equipment specifically designed for the handling and transport of semiconductor wafers or reticles (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other instruments, appliances and machines) | Free | No. |
| 9031.80.8060 | For testing electrical characteristics (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other instruments, appliances and machines > Other > Equipment for testing the characteristics of internal combustion engines) | Free | kg |
| 9031.80.8070 | Other (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other instruments, appliances and machines > Other > Equipment for testing the characteristics of internal combustion engines) | Free | kg |
| 9031.80.8085 | Other (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Other instruments, appliances and machines > Other) | Free | kg |
| 9031.90.2100 | Of profile projectors (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories) | Free | kg |
| 9031.90.4500 | Bases and frames for the coordinate-measuring machines of subheading 9031.49.40 (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Of other optical instruments and appliances, other than test benches) | Free | kg |
| 9031.90.5400 | Of optical instruments and appliances of subheading 9031.41 or 9031.49.70 (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Of other optical instruments and appliances, other than test benches) | Free | kg |
| 9031.90.5900 | Other (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Of other optical instruments and appliances, other than test benches) | Free | kg |
| 9031.90.7000 | Of articles of subheading 9031.80.40 (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Other) | Free | kg |
| 9031.90.9130 | Of machines for balancing mechanical parts (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Other > Other) | Free | kg |
| 9031.90.9160 | Of test benches (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Other > Other) | Free | kg |
| 9031.90.9195 | Other (Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof > Parts and accessories > Other > Other) | Free | kg |
Documents required to import under 9031
Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.
- Commercial InvoiceRequired
- Packing ListRequired
- Bill of Lading / Airway BillRequired
- CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
- CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
- Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
- Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
- Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
- Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
Common questions
- What is HTS code 9031?
- HTS heading 9031 covers measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof. It sits in Chapter 90 (optical and medical instruments) of the US Harmonized Tariff Schedule and contains 21 tariff lines.
- What is the duty rate for HTS 9031?
- General duty rate of 1.7%, with 20 duty-free lines. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
- How many digits does a full HTS code have?
- US import entries require the full 10-digit HTS code. Heading 9031 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.
Related headings in Chapter 90
- 9001Optical fibers and optical fiber bundles; optical fiber cables other than those of heading 8544; sheets and plates of polarizing material; lenses (including contact lenses), prisms, mirrors and other optical elements, of any material, unmounted, other than such elements of glass not optically worked
- 9002Lenses, prisms, mirrors and other optical elements, of any material, mounted, being parts of or fittings for instruments or apparatus, other than such elements of glass not optically worked; parts and accessories thereof
- 9003Frames and mountings for spectacles, goggles or the like, and parts thereof
- 9004Spectacles, goggles and the like, corrective, protective or other
- 9005Binoculars, monoculars, other optical telescopes, and mountings therefor; other astronomical instruments and mountings therefor, but not including instruments for radio-astronomy; parts and accessories thereof
- 9006Photographic (other than cinematographic) cameras; photographic flashlight apparatus and flashbulbs other than discharge lamps of heading 8539; parts and accessories thereof
- 9007Cinematographic cameras and projectors, whether or not incorporating sound recording or reproducing apparatus; parts and accessories thereof
- 9008Image projectors, other than cinematographic; photographic (other than cinematographic) enlargers and reducers; parts and accessories thereof