Guide to Registering the Tax Code (TAX) Suffix 888
Posted on: 28/02/2025
Currently, individuals and business households selling goods on e-commerce platforms or social media need to register for a tax number with the suffix 888 to ensure full compliance with tax declaration and payment obligations.
Here are the steps to quickly and accurately register for a tax number with the suffix 888 online:
Step 1: Access the electronic tax registration system
Visit the Electronic Tax Portal at: https://canhantmdt.gdt.gov.vn
Click on "Login with Electronic Identification Account"
Enter your personal identification number (CCCD number) and password, or use the VNeID app to scan the QR code to log in.
Once logged in successfully, the system will redirect you to the main interface of the Electronic Tax Portal.

Step 2: Select the function to register for a tax number with the suffix 888
On the homepage interface, select the "Tax Registration" section.
Then, click on "Declare and Submit Tax Registration Documents" and click "Continue" to proceed to the information entry section.

Step 3: Fill in the tax registration declaration form
After completing Step 2, the system will display the tax registration form with the suffix 888 for individuals and businesses on e-commerce platforms. There will be a total of 13 information fields, and you only need to fill in the mandatory (*) fields. Here's how to complete them:
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Taxpayer's Name
The system will automatically display the name based on the VNeID information, no need to edit.
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Tax Number (if applicable)
If you already have a personal tax number, the system will display it automatically.
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Tax Agent Information (This field is not editable by the system)
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Business Address
If the address displayed by the system is incorrect, you can update it to the actual business address. Detailed entry process:
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Field 4a: Enter house number, street, village/hamlet.
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Field 4b: Enter ward/commune/town.
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Field 4c: Enter district/city/town.
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Field 4d: Enter province/city.
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Field 4e: Enter phone number and email.
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Tax Notification Address
If different from the business address, you need to fill in the full information.
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Information of Business Household Representative, including:
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Full name: Automatically updated by the system.
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Registered permanent address: Automatically updated by the system.
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Current residence: If incorrect, you can update it.
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Other information: Phone number, email (not mandatory).
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Business Registration Certificate (if available)
If you have a business registration certificate, enter the license number in this field.
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Personal Document Information
Enter the issue date of your CCCD and select the issuing authority. The system will automatically fill in other fields.
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Business Capital (Not mandatory)
If you want to declare business capital, enter the amount here.
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Main Business Activities
Select the appropriate industry code for your business activity. For example, if you sell on Shopee, select industry code G47910.
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Start Date of Activity
Enter the official date your online business started.
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Tax Registration Status
Select "New Registration" if this is your first time registering for a tax number with the suffix 888.
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Related Unit Information (This field does not need to be filled in).
Once completed, click "Continue" to review the information before submitting.

Step 4: Confirm and Submit the Registration Application
After completing the tax registration declaration form with the suffix 888, the next step is to confirm and submit the application to complete the process. After carefully reviewing the information, proceed with the following steps:
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Enter the captcha code displayed on the screen to verify that you are not a robot.
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Click the "Continue" button to proceed to the confirmation step with the OTP code sent to the registered phone number.
Note:
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The OTP code is only valid for a short period, so be sure to enter it as soon as you receive it.
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If you do not receive the OTP code, check the registered phone number again or click "Resend OTP" to get a new code.
Step 5: Check the Tax Number with the Suffix 888 After Registration
Once you successfully enter the OTP code, the system will display a message saying "Congratulations, your registration has been successfully submitted," and issue your tax number with the suffix 888. Your new tax number will be in the following format:
[Personal Tax Number] – 888
At this point, you have completed all the steps to register your business tax number with the suffix 888. Be sure to save this tax number for future tax declarations and submissions.