What isExport agentCertificate number?

In import and export business,Export agentCertificate numberusually refers to two types of important voucher numbers:

• customs clearanceCustoms declaration number: An 18 - digit unique code generated by the customs system
• Agent power of attorney number: The contract filing number in the foreign trade agency agreement

Since 2025, the General Administration of Customs has comprehensively implemented the electronic customs declaration form system, and the paper customs declaration form will only be used as an auxiliary proof document.

How to query the customs declaration number for self - operated export?

Enterprises that handle customs declaration independently can query through the following channels:

• Chinas Single Window in International Trade
  • After logging into the corporate account, select "Customs Clearance Data Query."
  • Enter the bill of lading number/container number for retrieval
• Customs Office website
  • Log in to the "Customs Enterprise Import and Export Credit Information Publicity Platform" using an electronic port IC card.
• System of the customs declaration agency company(If entrusting an agency for customs declaration)

How to obtain the certificate number for agency export business?

When exporting through a comprehensive foreign trade service enterprise:

• Request agency to provideCopy of the customs declaration form stamped with the official seal
• in theAgency service agreementThe terms regarding data query rights are clearly specified in it
• View the export progress in real - time through the ERP system of the agency enterprise

Important Notice:The newly revised Regulations on Customs Inspection in 2025 stipulates that the principal has the right to require the agency enterprise to provide a complete copy of the customs declaration data.

Frequently Asked Questions

• What should I do if I cant query the customs declaration information?

  Possible reasons include: data delay (usually 3 - 7 working days), incorrect declaration information, special trade methods, etc. It is recommended to contact the 12360 hotline of the customs at the place of declaration

• How long is the validity period of the customs declaration number?

  According to the regulations of the State Taxation Administration,Export tax refundThe declaration should be completed before the VAT tax return period in April of the following year after the goods are exported

• How to verify the authenticity of the number provided by the agency company?

  You can use the "Customs Declaration Verification" feature through the single window by entering the complete 18-digit code along with the verification code for validation.

Special Precautions

• In 2025, the customs will implement"Three-in-One"reform. The customs declaration form, manifest, and tax bill will adopt a unified traceability code
• Cross - border e - commerce enterprises need to pay extra attention to9710/9810the special numbering rules under the supervision mode
• It is recommended to log in to the single window at the end of each month fordata reconciliationto ensure the completeness of business records