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Customs Clearance and Import Duties Explained清关流程与进口关税怎么算
Customs is not an obstacle; it is a calculation. If you know your HS code, your customs value and who is responsible for the declaration, the clearance cost and timeline become predictable numbers instead of surprises.清关不是障碍，而是一道计算题。只要搞清 HS 编码、完税价格和申报主体，清关的成本和时间就是可预测的数字，而不是意外。
Published October 5, 2026 · 8 min read · by Cargo Easy Shipping发布于 2026-10-05 · 阅读约 8 分钟 · 物简国际货运
Key takeaways要点速览
- ✓Duty is calculated on customs value — usually the transaction value, and in most markets on a CIF basis, not just the goods price.关税按完税价格计征——通常是成交价，且多数市场按 CIF 口径，而不是只看货价。
- ✓The HS code drives the duty rate and any licensing; guessing a code to get a lower rate is how cargo ends up seized.HS 编码决定税率与监管条件；为了低税率而“猜”编码，是货物被扣的直接原因。
- ✓The importer of record must be a legal entity in the destination country in most markets.多数市场要求进口商主体是目的国注册的法人。
- ✓Clearance delays cost more in storage and demurrage than the clearance fee itself — documents first, vessel second.清关延误造成的堆存与滞箱费远高于清关费本身——单据优先于船期。
What Actually Happens at Import进口清关实际发生什么
When the vessel arrives, the manifest is already with the destination customs. A licensed broker (you, or the importer of record’s agent) files a declaration with the tariff code, customs value, origin and duty computation. Customs either releases immediately, requests documents, or examines the cargo. Once released, duties are settled and the container can leave the terminal.船到之前舱单已到达目的国海关。持牌报关行（你或进口商主体的代理）以税号、完税价格、原产地和税额计算提交申报。海关要么直接放行，要么要求补件，要么查验。放行并缴税后，柜子才能离开码头。
How the Duty Number Is Built关税是怎么算出来的
Duty = customs value × duty rate. Customs value is normally the transaction value, and most markets assess it on a CIF basis — goods + insurance + freight to the border. VAT or GST is then applied on top of (duty + customs value) in most jurisdictions.关税 = 完税价格 × 税率。完税价格通常取成交价，多数市场按 CIF 口径审定（货价 + 保险 + 运费）。增值税/消费税则多在（完税价格 + 关税）基础上计征。
| Item项目 | Example (illustrative)示例（示意） |
|---|---|
| Goods value (FOB)货值（FOB） | USD 20,000USD 20,000 |
| Freight + insurance运费 + 保险 | USD 2,000USD 2,000 |
| Customs value (CIF)完税价格（CIF） | USD 22,000USD 22,000 |
| Duty at 6%关税 6% | USD 1,320USD 1,320 |
| VAT/GST at 20% on (value + duty)增值税 20%（按完税价格 + 关税） | USD 4,664USD 4,664 |
The rates above are illustrative arithmetic only — actual duty rates depend on the HS code, origin and any trade agreement in force in your market.以上税率仅为计算示意——实际税率取决于 HS 编码、原产地以及贵国适用的贸易协定。
HS Codes: Get Them Right OnceHS 编码：一次搞对
The HS code is not paperwork decoration — it determines the duty rate, whether an import licence or conformity certificate is needed, and how your goods are treated statistically. Classify goods once, with the product specification in hand, and reuse the code across shipments. If two suppliers describe the same product differently, one of the two descriptions is going to cause a query.HS 编码不是形式：它决定税率、是否需要进口许可或符合性证书，也决定统计归类。拿到产品规格后认真归一次类，之后每票复用。如果两家供应商对同一产品的描述不一致，其中一版描述迟早引出质询。
Who Is the Importer of Record?进口商主体是谁
The importer of record is the entity legally responsible for the declaration and the duty. In most markets this must be a locally registered company — which is why DDP shipments by overseas suppliers sometimes fail: a foreign supplier cannot simply “be the importer” without a local registration or a fiscal representation arrangement. Confirm this before choosing DDP.进口商主体是对申报和关税负法律责任的实体。多数市场要求其为本地注册企业——这也是境外供应商做 DDP 常会失败的原因：外国供应商没有本地主体或财政代表安排，无法“直接当进口商”。选 DDP 前先确认这一点。
The Usual Causes of Delay常见的延误原因
- ▪Documents arriving after the vessel — the avoidable classic; use telex release where possible.单据晚于船到——最常见也最可避免；尽量使用电放。
- ▪Invoice value that customs considers too low for the product category.申报价值明显低于海关对该品类的预期。
- ▪Wrong or vague HS classification requiring re-classification.HS 归类错误或含糊，需要重新归类。
- ▪Random or targeted examination — plan for possible terminal charges and a few days of storage.随机或针对性查验——要预留可能的码头操作费与几天堆存。
- ▪Missing conformity certificates for markets that require them pre-shipment.未在出运前取得目的地要求的符合性证书。
Country-specific requirements are summarised in our destination guides, e.g. United States, United Arab Emirates, South Africa and Brazil.各国具体要求见目的地指南，例如 美国、阿联酋、南非 与 巴西。
Frequently Asked Questions常见问题
Do I pay duty on the FOB value or the CIF value?关税按 FOB 价还是 CIF 价计？
In most markets, customs value is assessed on a CIF-type basis (goods + insurance + freight). Some markets, notably the United States, assess duty on FOB-type value and collect a separate merchandise processing fee. Confirm the basis with your broker.多数市场按 CIF 类口径（货价 + 保险 + 运费）审定完税价格；部分市场（如美国）按 FOB 类价格计征关税并另收货物处理费。请与清关行确认口径。
Can my supplier clear the import on my behalf?供应商能替我完成进口清关吗？
Only if it has a legal entity (or fiscal representative) in your country. Otherwise the sale should be structured DAP/DDU and you clear as the importer of record, or your forwarder clears under its own procedures where local rules allow.只有当供应商在贵国有法人主体（或财政代表）时才可以。否则应按 DAP/DDU 成交，由你作为进口商主体清关，或在当地规则允许时由货代按其流程清关。
What happens if my container is selected for examination?柜子被抽查了怎么办？
The container moves to an examination station, is opened, and re-sealed afterwards. You pay the examination handling and any extra terminal time. Accurate documents shorten the process considerably; most examinations close without penalty.柜子会被移至查验场、开箱、之后重新封箱。查验操作费与额外的码头时间由货方承担。单据准确能明显缩短流程，多数查验最终无罚放行。
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