I. What isExport agentCertificate number?

Export agentCertificate No. (Customs Broker Code) is awarded by the General Administration of Customs.customs clearanceThe 13-digit code of the enterprise, formatted asXXXX-XXXXXXXXX(Customs District Code + Enterprise Number). According to Announcement No. 58 of the General Administration of Customs in 2025, starting from July 1, 2025, all paper customs declaration forms must simultaneously include the electronic agent certificate number.

2. In which positions must the certification number be filled in?

• The upper right corner of the customs declaration form: Paper documents stamped with a blue seal.
• Electronic declaration system: Enter the complete 13-digit code in the "Reporting Unit" field.
• Proforma Invoice: Some destination countries require the customs clearance documents to have remarks noted in the remarks column.

3. What are the consequences of entering an incorrect agent certification number?

In 2025, a Shenzhen-based company caused an issue due to inputting incorrect codes.$380,000 worth of goods stranded at the port, resulting in demurrage fees of 120,000 yuan. The customs system will automatically verify the agent's qualifications, and incorrect codes will directly trigger:

• Application rejection (Rejection code: 8015)
• Manifest locked, unable to ship.
• Accumulating 3 errors will affect the company's credit rating.

IV. How to Obtain the Correct Proxy Certification Number?

Proposal to passTriple verification mechanismEnsure accuracy:

• RegisteredChina Customs Enterprise Import and Export Credit Information Publicity PlatformQuery
  • Please enter the full name of the agency company.
  • Verify the Unified Social Credit Code
• Request the agent company to provide the "Customs Registration Certificate" issued by the customs.
• Verify the validity of the code in real time through the International Trade Single Window.

V. What new regulations should be noted when filing electronic customs declarations?

Customs will be fully implemented in 2025.Intelligent bill - auditing system, For electronic filing, please note:

• Please complete the full 13-digit code (including hyphens).
• The name of the declaring unit must be completely consistent with the registration information of the code.
• Goods in special customs supervision areas must be marked with the "KJ" identification code.
• Cross-border e-commerce B2B exports require the use of dedicated proxy code segments.

6. What should I do if the system prompts "Invalid Proxy Code"?

It is recommended to follow the troubleshooting process below:

1. Check whether it contains illegal characters (such as spaces, Chinese parentheses).
2. Please confirm whether the agency company has completed the customs registration for the year 2025.
3. Check whether the customs district code matches the declared port.
4. Contact the agent company to obtain the latest customs filing receipt.
5. Verify in real time through the "Code Query" function of the Single Window.

7. Common Filling Errors and Correction Methods

• Examples of Format Errors: Write "5301-123456789" as "5301123456789"
• Expired Code Case: Using a deactivated proxy enterprise code
• Proxy permissions do not match.: General agency codes are used for the customs declaration of hazardous chemicals requiring special qualifications.

Correction method: Before the goods are released, byNew Generation Customs Inspection SystemTo submit a code change application, it is necessary to attach a description of the proxy company's situation and its qualification documents.

8. What are the new customs supervision requirements in 2025?

According to the latest revised "Regulations on the Customs Declaration Unit Registration Management":

• Establish an agency enterpriseDynamic Scoring Mechanism
• ImplementationCoding Grading Management System(Categories A/B/C)
• High-risk product agents are required to upload.Quality and Safety Commitment Letter
• Enable the blockchain-based evidence storage system to record the usage history of codes.