Backing Board
CN → US| HS编码 | 关税税率 | 原产国 | 目的国 | 文档 |
|---|---|---|---|---|
| 4823908620 | 35.0% | CN | US | 官方文档 |
| 8504909634 | 35.0% | CN | US | 官方文档 |
| 3926305000 | 22.8% | CN | US | 官方文档 |
| 8504909638 | 35.0% | CN | US | 官方文档 |
| 4421999880 | 38.3% | CN | US | 官方文档 |
商品图片
AI分析
🛠️ Backing Board: HS Code Classification & 2026 US Customs Clearance Guide
🌐 HS Code Reference & Clearance Strategy | 2026 Latest Tariff Analysis | Professional Compliance Protocol
📌 I. Product Definition & Classification: What Exactly is a "Backing Board"?
A Backing Board is a structural or supporting component used in various industries, including electrical equipment (transformers), furniture, and construction. In international trade, its classification depends heavily on its material, specific function, and intended end-use.
The data provided suggests four primary potential classifications based on different material/logical interpretations:
- As a Structural Plate (Metal/General): Viewed as a "plate-like" component.
- As a Transformer Part: Viewed as a structural support similar to laminated core parts.
- As a Plastic Component: Viewed as a generic plastic part if no specific material conflict exists.
- As a Wooden Component: Viewed as a generic "other wooden article" if made of wood.
⚠️ Key Distinction Point:
- If it is a structural support for electrical equipment (like transformers) → Prioritize 8504.
- If it is a generic plastic plate → Prioritize 3926.
- If it is a generic wooden plate → Prioritize 4421.
- If it is a generic metal/other plate → Prioritize 4823.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority)
Based on the provided data, here are the specific HS Codes and the logical reasoning for each:
| HS Code | Product Description | Classification Logic | Material/Type Assumption |
|---|---|---|---|
4823.90.86.20 |
Other plates, sheets, film, paper, etc. | Component Rule: "Backing Board" is plate-shaped. Treated as a general component/part. Default inclination match. | Paper/Cardboard or Generic Plate |
8504.90.96.34 |
Parts of electric transformers | Special Part Rule: Structural support part. No conflict with laminated core parts. Matches logic for transformer components. | Metal/Insulating Material (Transformer Context) |
3926.30.50.00 |
Other articles of plastics | 兜底 (Catch-all) Rule: Inferred as plastic material due to lack of material conflict. Classified as other plastic articles. | Plastic |
8504.90.96.38 |
Other parts of transformers | Part Category Match: Structural/Supporting component. Fits the logic of "parts" for transformers. | Metal/Insulating Material (Transformer Context) |
4421.99.98.80 |
Other wooden articles | Naming Rule: If the name includes "Buckle/Fastener" (扣), it falls under spare parts/components. Matches "other wooden articles" catch-all. | Wood |
🔍 Key Takeaway:
- Transformer Parts (8504) are the most likely correct classification if the board is specifically designed for electrical transformers.
- Plastic (3926) is a strong alternative if the material is plastic and no specific transformer function is proven.
- Wood (4421) applies only if the material is definitively wood.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: November 10, 2025 onwards (including subsequent imports)
🎯 1. 4823.90.86.20 – Other Plates/Sheets (Paper/Generic)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| 122 Clause Tariff | +10.0% |
| Total Rate | 35.0% |
| Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Available (deny_de_minimis) |
| Legal Basis | Section 301 → 122 Clause |
📌 Explanation:
- Base 0%: Many paper/plate products have low base tariffs.
- 25% Section 301: Standard US trade war tariff on Chinese goods.
- 10% 122 Clause: Additional tariff under specific US trade clauses targeting Chinese imports.
- Total 35%: Significant cost impact. Must be factored into pricing.
🎯 2. 8504.90.96.34 & 8504.90.96.38 – Parts of Electric Transformers
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| 122 Clause Tariff | +10.0% |
| Total Rate | 35.0% |
| Calculation | CIF Value × 35% |
| De Minimis Exemption | ❌ Not Available (deny_de_minimis) |
| Legal Basis | Section 301 → 122 Clause |
📌 Explanation:
- Base 0%: Transformer parts often enjoy low base tariffs due to industrial importance.
- 25% + 10%: Surcharges apply fully.
- Total 35%: Same as above. If the product is indeed a transformer part, this is the correct classification.
🎯 3. 3926.30.50.00 – Other Articles of Plastics
| Item | Content |
|---|---|
| Base Tariff | 5.3% |
| Section 301 Surcharge | +7.5% |
| 122 Clause Tariff | +10.0% |
| Total Rate | 22.8% |
| Calculation | CIF Value × 22.8% |
| De Minimis Exemption | ❌ Not Available (deny_de_minimis) |
| Legal Basis | Section 301 (partial) → 122 Clause |
📌 Explanation:
- Base 5.3%: Plastics have a modest base tariff.
- 7.5% Section 301: Lower surcharge compared to metals/paper, reflecting different trade policies for certain plastic goods.
- 10% 122 Clause: Still applies.
- Total 22.8%: The most cost-effective option if the material is plastic.
🎯 4. 4421.99.98.80 – Other Wooden Articles
| Item | Content |
|---|---|
| Base Tariff | 3.3% |
| Section 301 Surcharge | +25.0% |
| 122 Clause Tariff | +10.0% |
| Total Rate | 38.3% |
| Calculation | CIF Value × 38.3% |
| De Minimis Exemption | ❌ Not Available (deny_de_minimis) |
| Legal Basis | Section 301 → 122 Clause |
📌 Explanation:
- Base 3.3%: Wood products have a small base tariff.
- 25% Section 301: Full surcharge applies.
- 10% 122 Clause: Applies.
- Total 38.3%: The highest tariff among the options. Avoid this classification unless the product is definitively wood and no other classification fits.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
✅ 1. Preparation Checklist (Non-Negotiable)
| Document | Required | Purpose |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Detail material, dimensions, weight, and end-use (e.g., "for transformer assembly"). |
| ✅ Material Certificate | ✔️ | Crucial to prove if it's Plastic (3926), Wood (4421), or Metal/Paper (4823/8504). |
| ✅ Technical Diagram/Structure | ✔️ | If claiming 8504, show it’s a structural part for transformers. |
| ✅ Product Photos (Label & Overall) | ✔️ | Show brand, model, and any material markings. |
| ✅ Commercial Invoice | ✔️ | Must clearly state "Backing Board for Transformer" or "Plastic Backing Board". |
| ✅ Packing List | ✔️ | Prevents confusion with packaging materials. |
✅ 2. Declaration Tips (Key Mantras)
🔥 "Material Defines Code, Function Defines Context, Name Must Match!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Transformer Part | 8504.90.96.34/38Desc: "Backing Board, Structural Part for Transformer" |
Declaring as "Plastic Plate" → Wrong HS, Risk of Audit |
| Plastic Board | 3926.30.50.00Desc: "Plastic Backing Board, Non-Structural" |
Declaring as "Wood" → 38.3% Tax vs 22.8% |
| Wooden Board | 4421.99.98.80Desc: "Wooden Backing Board" |
Declaring as "Plastic" → Misdeclaration Penalty |
| Generic Plate | 4823.90.86.20Desc: "Paper/Cardboard Backing Plate" |
Overly vague description → Delays |
✅ 3. Special Cases
| Situation | Handling Advice |
|---|---|
| Multi-Material Board | Declare based on the principal material or essential character. If plastic-coated wood, consult a specialist. |
| OEM Custom Parts | Provide customer design drawings to prove specific use (e.g., transformer support). |
| Unsure of Material | Do not guess. Provide a material analysis report. Guessing plastic might save tax, but if customs finds wood, penalties apply. |
| Small Samples | De Minimis does NOT apply. All samples are subject to full tariffs and duties. |
🌍 V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (CN Origin) | Key Certifications | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 8504.90.96.34 / 3926.30.50.00 |
35% (Transformer) / 22.8% (Plastic) | FCC (if electrical), RoHS | High tariff impact. Plastic is cheaper. |
| 🇨🇳 China | 8504.90.96.34 / 3926.30.50.00 |
5-10% (Import Tariff) | CCC (if electrical) | Lower tariffs, but export compliance needed. |
| 🇪🇺 EU | 8504.90 / 3926.90 |
0-6.5% | CE, RoHS, REACH | No Section 301/122 equivalent. |
| 🇬🇧 UK | 8504.90 / 3926.90 |
0-6.5% | UKCA, RoHS | Post-Brexit rules apply. |
| 🇯🇵 Japan | 8504.90 / 3926.90 |
0-5% | PSE (if electrical) | Free Trade Agreement (JTEPA) may reduce rates. |
📌 Conclusion:
- USA is the most expensive market due to Section 301 and 122 Clause tariffs.
- Plastic classification (3926) offers the lowest duty (22.8%) if material allows.
- Transformer parts (8504) are higher (35%) due to broader trade restrictions on industrial components.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Declaring a Plastic Backing Board as Wooden (4421) to avoid plastic regulations.
👉 Result: 38.3% tariff + potential fraud investigation.
❌ Error 2: Declaring a Transformer Part as a Generic Plastic Plate (3926) without proof.
👉 Result: Customs may reclassify to 8504 (35%) or flag for misdeclaration.
❌ Error 3: Ignoring the 122 Clause.
👉 Result: Even if base tariff is 0%, missing the 10% surcharge leads to underpayment penalties.
❌ Error 4: Using vague names like "Board" or "Plate".
👉 Result: Customs will assign the highest default duty or delay clearance for material verification.
✅ Correct Approach:
"Plastic Backing Board, Model XYZ, for Transformer Assembly, Material: Polypropylene, HS: 3926.30.50.00"
🎯 VII. Conclusion: Smart Classification, Lower Costs, Faster Clearance
🎯 Remember the Mantra:
🔹 "Material First, Function Second, Name Precise!"
🔹 "Plastic is Cheaper (22.8%), Transformer is Specific (35%), Wood is Expensive (38.3%)."
🔹 "122 Clause is Always On (10%), Don't Forget It!"
📌 Pro Tip:
If your Backing Board is plastic and used in non-electrical applications, 3926.30.50.00 is your best financial bet.
If it is for transformers, use 8504.90.96.34/38 but budget for 35%.
Always provide material certificates to avoid costly reclassifications.
📣 Immediate Action:
📞 Contact a licensed customs broker + Provide Material Data Sheet + Apply for Advance Ruling if value is high.
🚀 Ensure your Backing Boards clear US Customs smoothly, without surprise 35%+ tariffs!
✨ Professional Clearance Starts with Accurate Classification!
💼 Every Percent of Duty Saved is Profit Earned!
用户评价
关于 HS 编码归类
协调制度(HS)是由世界海关组织(WCO)制定的国际贸易商品分类标准。全球 200 多个国家采用 HS 系统作为海关关税、贸易统计和进出口监管的基础。
每个 HS 编码遵循以下层级结构:
- 章(2 位)——商品大类(例如:第 84 章:机器和机械设备)
- 品目(4 位)——章内的更具体分类
- 子目(6 位)——国际通用细分,所有 WCO 成员国统一使用
- 本国细分(8-10 位)——各国自行扩展的细分编码,如美国 HTSUS 10 位编码
正确的 HS 编码归类对于顺利通关、准确缴纳关税和遵守贸易法规至关重要。错误归类可能导致海关延误、多缴关税或罚款。
从CN进口到US时,适用的关税税率可能包括:
- 最惠国(MFN)税率——适用于 WTO 成员国的标准关税税率
- 普通税率——适用于无贸易协定国家
- 贸易救济关税——附加关税,如 301 条款(反倾销)、232 条款(国家安全)或反补贴税
本页内容仅供参考。如需正式归类,请咨询当地海关或持牌报关代理。