What is a tax refund?Export Agent ServicesNumber?

The tax refund export agent number (Customs code: 3104980000) is a 13-digit unique identifier established by the General Administration of Customs to standardize export agency services. Starting from 2025, this code will be automatically generated by the agent company through the "Single Window" system, consisting of the company's Customs registration number (10 digits) + agency service identifier (3 digits).

How to obtain a valid export agency number?

The latest acquisition process for 2025:

• 登錄中國國際貿(mào)易單一窗口（www.singlewindow.cn）
• Enter the "Enterprise Qualification" - "Customs Enterprise General Qualification" module.
• Select "Agent Export Business Registration" to generate a unique code.
• The system automatically assigns a 3-digit agent business identification code.

What are the specific requirements for data entry in the declaration system?

In theTax RebatesSpecial attention is required in the declaration system:

• Field position:Please fill in the "Agent Certification Number" column on the export goods details form.
• Format requirements:The complete 13-digit code must be included, with no spaces or symbols added.
• Related documents:It must be completely consistent with the "Consignor in China" field on the customs declaration form.

How is the agent number associated with the customs declaration form?

According to Announcement No. 58 of 2025 from the General Administration of Customs, it is required to ensure:

• The customs declaration form has been accurately filled out with the agent company code during submission.
• In the tax refund declaration system, the agent certificate number corresponds one-to-one with the customs declaration number.
• The agency agreement number must be noted in the remarks column (not exceeding 20 characters).

What are the consequences of input errors?

Common risks include:

• The tax refund application was automatically rejected by the system.
• Trigger abnormal data comparison between customs and tax authorities
• Generate exports?Forex Settlement?Verification Alert
• Serious errors may affect the corporate credit rating.

What should cross-border enterprises pay special attention to?

ForCross-border E-commerceEmerging business models such as:

• For overseas warehouse business, the code must be appended with the "W" identifier.
• For the 9810 model export, it is necessary to simultaneously upload the logistics tracking proof.
• Market procurement trade (1039) applies special coding rules.

How to remedy input errors if found?

The correction process for 2025 has been optimized as follows:

• Undeclared tax refund: directly amend the declaration data
• Declared but not reviewed: Submit the "Application Form for Withdrawal of Export Tax Rebate Declaration Data"
• Approved: Correction applied via "Tax Matter Notice" application.

How to Choose a Compliant Proxy Service Provider?

It is recommended to focus on verifying:

• Does it possess the AEO certification qualification from customs?
• Can the agent code be queried in the customs public announcement system?
• Have there been any major violations in the past three years?
• Is a professional customs management system (such as CITAMS) equipped?