Full Process and Key Notes on 2026 Import and Export Trade Customs Declaration Form
or complex compliance issues.
clearance and fund security.
Core Process and Risk Control of 2026 Import and Export Trade Customs Declaration Form
In 2026,Shanghai’s import and export foreign trade remains active.As a core document connecting customs supervision and enterprise trade,the customs declaration form directly affects cargo customs clearance efficiency,foreign exchange receipt and payment,and export tax refund progress.Many enterprises suffer from cargo detention at ports,delayed tax refund and even customs penalties due to non-standard operation of customs declaration forms.This article,combining over 20 years of practical experience of Zhongshen,systematically sorts out the whole process of customs declaration and helps enterprises accurately avoid pitfalls.

I.Preparatory Document Preparation: Accurate Alignment with New Customs Regulations is the Key
The goal of this stage is to collect complete and compliant basic customs declaration documents,to avoid subsequent declaration rejection caused by missing or inconsistent documents.
Key Actions: Verify core documents including import and export contracts,commercial invoices,packing lists,bills of lading,etc.to ensure consistency of information such as commodity name,quantity and HS code; supplement declaration elements in accordance with the 2026 latest customs requirements (e.g.component proportion shall be specified for textiles,style shall be marked for garments).
Common Problems: 1.Mr.Zhu once got inconsistent cargo information during customs inspection due to wrong gross weight marking on the packing list; 2.Mr.Long missed the certificate of origin and could not enjoy tariff preference under free trade agreements.
Value Provided by Zhongshen: We arrange dedicated staff to pre-audit all documents,check HS codes against the 2026 latest customs classification directory,mark missing declaration elements in advance,and feedback correction suggestions within 3 hours,avoiding the risk of inconsistent documents.
- Mandatory Checklist for Preparatory Document Preparation
- Import and export contract (trade terms and commodity specifications shall be clearly stated)
- Commercial invoice (shall be stamped with enterprise’s official seal,and unit price and currency shall be specified)
- Packing list (gross weight,net weight and size of each package shall be marked)
- Bill of lading/waybill (information shall be consistent with the port of departure and port of destination of the cargo)
- Commodity inspection certificate (if required,e.g.hygiene certificate shall be provided for food)
- Certificate of origin (shall be processed in advance if tariff reduction is required)
II.Customs Declaration Form Submission: System Entry Shall Be Accurate and Error-free
The goal of this stage is to accurately submit customs declaration data via China International Trade Single Window,ensuring the data matches the rules of the customs system.
Key Actions: Enter information including commodity HS code,declaration elements,trade mode (e.g.general trade,processing trade),foreign exchange settlement method,etc.; upload scanned copies of all basic documents.

Common Problems: 1.Incomplete declaration elements (e.g.model not specified for electronic products) leads to declaration rejection; 2.Incorrect HS code classification (e.g.classifying lithium batteries as ordinary batteries) leads to penalties.
Value Provided by Zhongshen: We use customs-certified declaration system,arrange dedicated staff to enter data and conduct triple check (code,elements,documents); we connect with the customs pre-audit channel,feedback declaration status within 24 hours,and provide correction plan within 1 hour after declaration rejection.
III.Customs Review and Inspection: Full Cooperation Improves Efficiency
The goal of this stage is to pass customs review and successfully complete cargo inspection (if required).
Key Actions: Supplement documents or cooperate with on-site inspection as required by the customs; wait for the release order after confirming the inspection result is correct.
Common Problems: 1.Cargo is inconsistent with declaration information during inspection (e.g.100 units declared but 98 units in actual); 2.Failure to prepare required inspection tools (e.g.weighing equipment) in advance causes time delay.
Value Provided by Zhongshen: We accompany the whole process of customs inspection,coordinate with the warehouse to prepare cargo in advance; if there is inconsistency,we quickly communicate with the enterprise to adjust declaration data,shortening the inspection time by 40% on average.
IV.Customs Release and Subsequent Verification: Connecting Foreign Exchange and Tax Refund Links
The goal of this stage is to get cargo released smoothly and complete foreign exchange verification and export tax refund declaration.
Key Actions: Arrange cargo transportation after confirming the customs release order; complete verification in the system of State Administration of Foreign Exchange; submit tax refund declaration documents to the tax authority.
Common Problems: 1.Delayed verification leads to failure of timely foreign exchange settlement; 2.Inconsistency between customs declaration form and tax refund documents affects the progress of tax refund.
Value Provided by Zhongshen: We track the release status in real time and notify the enterprise within 1 hour after release; we assist with foreign exchange verification and coordinate with the tax authority simultaneously to ensure consistency between the customs declaration form and tax refund documents,shortening the tax refund cycle to within 15 working days.
| Problem Type | Common Scenarios (2026) | Zhongshen Solution |
|---|---|---|
| Incorrect Commodity Classification | Misclassifying smart wearable devices as general electronic products | Dedicated staff check the 2026 latest customs classification directory and match functional parameters for accurate classification |
| Incomplete Declaration Elements | Missing battery capacity information for new energy vehicles | Supplement complete elements during pre-audit and coordinate with customs to clarify declaration requirements |
| Inconsistent Documents | Inconsistent invoice amount and contract amount | Check all documents in advance to ensure data consistency,and feedback correction within 3 hours |
Summary of Core Value of Zhongshen’s Customs Declaration Service
In 2026,customs supervision is becoming stricter,and customs declaration operation needs to accurately align with new regulations.Relying on over 20 years of industry experience,Zhongshen controls the whole process from preliminary document pre-audit to later verification and tax refund,helping enterprises avoid risks such as incorrect classification and inconsistent documents,increasing customs clearance efficiency by 30% on average and shortening tax refund cycle by 20%.
If you encounter problems in customs declaration operation,you can contact the professional team of Zhongshen,and Manager Sun will provide you with one-on-one consulting service to help you complete the import and export customs declaration process efficiently.
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