accelerator zdc
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8479899599 | 87.5% | CN | US | Official Doc |
| 9022298000 | 35.0% | CN | US | Official Doc |
| 9022210000 | 35.0% | CN | US | Official Doc |
| 9022900500 | 35.8% | CN | US | Official Doc |
| 8543100000 | 36.9% | CN | US | Official Doc |
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βοΈ Accelerator ZDC (Particle Accelerators & Related Devices)
π HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition: What is an "Accelerator ZDC"?
The Accelerator ZDC refers to a particle accelerator or a specific component/model (ZDC) of a device that utilizes ionizing radiation or high-energy particle beams. In international trade, these devices fall under specialized categories defined by their working principle (ionizing radiation) or their function as specific electrical machines.
β οΈ Key Distinction:
- Is it a complete functional unit using ionizing radiation? β Likely Chapter 90.
- Is it considered a special-purpose electrical machine or its parts? β Likely Chapter 85.
π¦ II. HS Code Classification Details (2026 Latest Authorized Mapping)
Based on the official data provided, here are the 5 authorized HS Codes for Accelerator ZDC, along with their specific rationales and tax implications.
| HS Code | Product Description & Rationale | Total Tax Rate | Tax Breakdown |
|---|---|---|---|
9022.29.80.00 |
Accelerators using Ionizing Radiation. This code applies to devices defined as instruments using ionizing radiation. β Rationale: Matches the definition of equipment using ionizing radiation for specific applications. |
35.0% | Base: 0.0% +25% (Section 301) +10% (Section 122) |
9022.21.00.00 |
Accelerators working on Ionizing Radiation Principles. β Rationale: The device's core working principle is based on ionizing radiation, fitting the functional definition of this subheading. |
35.0% | Base: 0.0% +25% (Section 301) +10% (Section 122) |
9022.90.05.00 |
Radiation Generating Apparatus (Parts/Accessories). β Rationale: Classified under radiation-generating apparatus, covering components or specific functional definitions related to radiation generation. |
35.8% | Base: 0.8% +25% (Section 301) +10% (Section 122) |
8543.10.00.00 |
Electrical Machines for Particle Acceleration. β Rationale: The accelerator's purpose aligns with "particle accelerators" in classification notes, categorized as a specific electrical machine. |
36.9% | Base: 1.9% +25% (Section 301) +10% (Section 122) |
8543.90.88.45 |
Parts of Electrical Machines (ZDC Model). β Rationale: Specifically covers parts/accessories where "ZDC" is identified as a specific component model fitting the parts category characteristics. |
35.0% | Base: 0.0% +25% (Section 301) +10% (Section 122) |
π Critical Note:
- All codes are subject to US Import Duties.
- The Total Tax Rate includes Base Duty + Section 301 Tariff (25%) + Section 122 Tariff (10%).
- No De Minimis Exemption applies to these high-value industrial/medical devices.
π° III. 2026 Latest Tariff Rate Detailed Explanation
β Applicable Country: United States (US)
β Country of Origin: China (CN)
β Effective Date: Current regulations (Section 301 & 122 ongoing)
π― 1. Codes 9022.29.80.00 & 9022.21.00.00 (Ionizing Radiation Devices)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% (25% Additional Duty) |
| Section 122 Surcharge | +10.0% (Bilateral Trade Balance Duty) |
| Total Effective Rate | 35.0% |
| Calculation | CIF Value Γ 35.0% |
| De Minimis Eligibility | β NO (High-value industrial equipment) |
| Legal Path | USITC:9022.21/29 β SECTION_301:25% β SECTION_122:10% |
π Explanation:
- These codes classify the accelerator as a device using ionizing radiation.
- Despite a 0% base duty, the 35% total rate is significant.
- Accurate description of "Ionizing Radiation" is crucial for customs verification.
π― 2. Code 9022.90.05.00 (Radiation Apparatus Parts/Accessories)
| Item | Detail |
|---|---|
| Base Tariff | 0.8% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Total Effective Rate | 35.8% |
| Calculation | CIF Value Γ 35.8% |
| De Minimis Eligibility | β NO |
| Legal Path | USITC:9022.90 β SECTION_301:25% β SECTION_122:10% |
π Explanation:
- This code applies if the ZDC is classified as a part or accessory to a radiation-generating apparatus.
- Slightly higher due to the 0.8% base duty.
π― 3. Code 8543.10.00.00 (Electrical Machines)
| Item | Detail |
|---|---|
| Base Tariff | 1.9% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Total Effective Rate | 36.9% |
| Calculation | CIF Value Γ 36.9% |
| De Minimis Eligibility | β NO |
| Legal Path | USITC:8543.10 β SECTION_301:25% β SECTION_122:10% |
π Explanation:
- Used when the accelerator is viewed as a specific electrical machine rather than a radiation medical device.
- Highest base duty among the options, leading to the highest total rate (36.9%).
π― 4. Code 8543.90.88.45 (Parts of Electrical Machines)
| Item | Detail |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Total Effective Rate | 35.0% |
| Calculation | CIF Value Γ 35.0% |
| De Minimis Eligibility | β NO |
| Legal Path | USITC:8543.90 β SECTION_301:25% β SECTION_122:10% |
π Explanation:
- Specifically references ZDC as a component model.
- Matches the 0.0% base duty scenario, resulting in a competitive 35.0% total rate.
π οΈ IV. Customs Clearance Practical Advice (Avoiding Pitfalls)
β 1. Documentation Checklist (Mandatory)
| Document | Required? | Purpose |
|---|---|---|
| β Product Datasheet | βοΈ | Must specify "Particle Accelerator" or "Radiation Device" and working principle. |
| β Technical Specifications | βοΈ | Detail voltage, power, radiation type (if applicable), and component "ZDC" role. |
| β Photos (Label/Nameplate) | βοΈ | Clear view of Model #, Manufacturer, and Input/Output specs. |
| β Certificate of Origin | βοΈ | Critical for determining applicability of Section 122 & 301 duties. |
| β Commercial Invoice | βοΈ | Must accurately describe the item as "Accelerator" or "Accelerator Component ZDC". |
| β FCC/IEC Compliance | βοΈ | Electrical safety and radiation safety certificates may be requested by CBP/FDA. |
β 2. Declaration Strategy (Key Tips)
π₯ "Clarify Function, Specify Model, Avoid Ambiguity!"
| Scenario | Recommended Declaration | Risk if Incorrect |
|---|---|---|
| Whole Accelerator Unit | Use 9022.21.00.00 or 8543.10.00.00 |
Misclassification as generic machinery β Higher duties or seizure. |
| ZDC Component/Part | Use 8543.90.88.45 (if ZDC is a known part) or 9022.90.05.00 |
Declaring as "whole unit" β Overpayment of duty. |
| Mixed Shipment | Split declaration: Main unit vs. Parts | Bundling parts with whole unit β Complex duty calculation errors. |
β 3. Special Considerations
| Situation | Advice |
|---|---|
| ZDC as a Proprietary Model | Provide internal part numbers and mapping to external HS codes. Customs may require a Binding Ruling. |
| Ionizing Radiation Safety | Ensure compliance with NRC (Nuclear Regulatory Commission) or FDA guidelines if applicable, even for duty purposes. |
| Valuation | CIF Value must include all costs to the port of entry. High-value accelerators attract strict valuation scrutiny. |
π V. Global Market Comparison (2026 Outlook)
| Market | Recommended HS Code | Est. Total Duty | Notes |
|---|---|---|---|
| πΊπΈ USA | 9022.21.00.00 / 8543.10.00.00 |
35.0% - 36.9% | High tariffs due to Section 301 & 122. |
| π¨π³ China | 9022.21.00.00 |
~0-5% | Import duties may be lower; VAT applies separately. |
| πͺπΊ EU | 9022.21.00.00 |
~0-4.5% | No Section 301/122 equivalent; standard EU duty. |
| π―π΅ Japan | 9022.21.00.00 |
~0-3% | Generally favorable for high-tech industrial equipment. |
π Conclusion:
- The US market presents the highest duty burden for Accelerator ZDC due to additional trade remedies.
- Careful selection between Chapter 90 (Radiation devices) and Chapter 85 (Electrical machines) is critical for cost optimization.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Classifying a whole accelerator as a "Part" (8543.90.88.45) to save duty.
π Result: CBP rejects declaration, demands correct HS, plus penalties.
β
Fix: Only use part codes if the shipment is strictly components, not functional units.
β Error 2: Ignoring Section 122 (10%) in cost calculations.
π Result: Budget shortfall; unexpected costs at customs.
β
Fix: Always calculate Base + 25% + 10% for China-origin goods.
β Error 3: Vague Description ("Machine") in Invoice.
π Result: Customs inspection delays, potential reclassification.
β
Fix: Use precise terms: "Particle Accelerator, Model ZDC, Ionizing Radiation Type".
π― VII. Conclusion: Precision in Classification Saves Money!
π― Remember the Rules:
πΉ "Whole Unit? Check Ch. 90 or 85. Part? Check Ch. 85.90."
πΉ "Always Add 35-36.9% for US Imports from China."
πΉ "Document Everything: Tech Specs, Photos, Origin."
π Pro Tip:
For high-value industrial accelerators, consider applying for a CBP Binding Ruling before shipment. This provides legal certainty on the HS Code and duty rate, preventing costly delays or penalties upon arrival.
π£ Immediate Action:
π Consult a licensed customs broker with expertise in Chapter 90/85.
π Prepare Technical Datasheets highlighting "Ionizing Radiation" or "Electrical Machine" features.
π Ensure Compliance, Minimize Duty, Clear Customs Fast!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Your Cost Efficiency Depends on Your HS Code Choice!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.