Complete analysis of common issues in filling out export agent certificate numbers: How to fill them out correctly without errors?

What isExport RepresentationCertificate number? Why must it be filled out correctly?

Export agent certificate numberis an important identification code for customs supervision, consisting of a 12-character alphanumeric combination (e.g., DL2025BJ001A). According to the latest revision of the ,import and exportCustoms Declaration Form Filling Standards by the General Administration of Customs in 2025, this number must accurately reflect the registration information of the agent enterprise. Incorrect filling will result in:

• The customs declaration form being automatically rejected by the system
• ImpactExport DrawbackProgress
• Incurring demurrage fees (averaging 500-2000 yuan per day)

II. What are the new changes to export agent certificate numbers in 2025?

Starting from January 1, 2025, customs has implemented three important adjustments:

• Upgraded encoding rules: Added agent enterprise credit rating identifier (9th character letter)
• Updated verification system: Real-time validation of number validity through the China International Trade Single Window
• Mandatory format standardization: Must use half-width uppercase letters + numbers, with no spaces or special symbols allowed

III. Five steps to correctly fill out the export agent certificate number

• Step 1: Obtain a valid number
  • Obtain it from the agent enterprises Customs Import and Export Goods Consignee Registration Receipt,
  • Starting in 2025, real-time status can be checked in the electronic port system
• Step 2: Verify the code structure
  • Standard format: 2 letters + 4-digit year + 2-digit customs district code + 3-digit serial number + 1 check digit
  • Example analysis: DL2025BJ001A (DL=agent identifier, 2025=year, BJ=Beijing customs district)
• Step 3: System entry verification
  • Use the online verification tool provided by the General Administration of Customs (service.customs.gov.cn/check)
  • Ensure the entry completely matches the paper document

IV. High-frequency error cases and solutions in recent three years

According to customs statistics from 2023-2025, common error types include:

• Format errors (38%)
  • Error example: dl2025sh001a (letters not capitalized)
  • Solution: Switch to uppercase using English input method
• Expired information (25%)
  • Error example: Using old numbers from deregistered agent companies
  • Solution: Verify agent qualifications quarterly

V. Key points for special trade situations

• Entrepot Trade: Must fill in both domestic and overseas agent certification numbers
• Multiple agents: Fill in according to the agent company actually handling customs procedures
• Annual agreement changes: Transition period between old and new numbers must not exceed 30 calendar days

Companies are advised to pay special attention in 2025 to the requirements of General Administration of Customs Announcement No. 45, and regularly participate infree filing trainingorganized by local customs (bookable via 12360 Customs Hotline). For complex business scenarios, advance three-party communication with local customs and professional customs brokers is recommended to avoid supply chain disruptions caused by certification number issues.