What are 07 ways to check personal tax identification number online in Vietnam in 2025?
What is a personal tax identification number in Vietnam?
Pursuant to Clause 5, Article 3 of the Law on Tax Administration 2019, the regulations are as follows:
Terminology explanation
In this Law, the following terms are understood as follows:
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5. A tax identification number is a series of numbers consisting of 10 or 13 digits and other characters issued by the tax authority to taxpayers for tax administration.
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Thus, a personal tax identification number is a tax identification number consisting of 10 or 13 digits and other characters issued by the tax authority to taxpayers for tax administration. The personal tax identification number is a unique identifier for individuals to declare all their income.
What are 07 ways to check personal tax identification number online in Vietnam in 2025? (Image from Internet)
What are 07 ways to check personal tax identification number online in Vietnam in 2025?
The fastest ways to check a personal tax identification number online are as follows:
Method 1: Check the personal tax identification number on the website of the General Department of Taxation
Step 1: Access the link: http://tracuunnt.gdt.gov.vn/tcnnt/mstcn.jsp
Step 2: Enter your citizen ID card/Identity Card number
Step 3: Fill in the verification code
Note: The verification code is case-sensitive, so it is necessary to enter the exact code in uppercase or lowercase letters. The name and address can be optionally entered.
Step 4: Click on the Lookup box and receive the result.
Method 2: Check the personal tax identification number on the E-Tax website
Step 1: Access the link: https://thuedientu.gdt.gov.vn/
Step 2: Click on "Individual" on the right-hand side.
Step 3: Click on "Search taxpayer information"
Step 4: Enter your citizen ID card/Identity Card number, check code, and click Search
Method 3: Check the personal tax identification number on the eTax Mobile app
Step 1: Open the eTax Mobile application installed on your mobile phone;
Step 2: Select "Utilities" and then choose "Search taxpayer information";
Step 3: Enter the following information: Personal tax identification number, type of document > select "citizen ID card" and enter the citizen ID card/Identity Card number then press "Lookup" to view the result.
Method 4: How to check using the TracuuMST website
Step 1: Visit the TracuuMST website at: https://tracuumst.com
Step 2: Click on "Personal tax identification number"
Step 3: Enter your citizen ID card/Identity Card number, then click "Lookup"
Step 4: Receive the result.
Method 5: Check using the Masothue website
Step 1: Access the Tax Identification Number website: https://masothue.com/
Step 2: Enter your citizen ID card/Identity Card number
Step 3: Receive the result.
Method 6: Check the personal tax identification number on tncnonline.com.vn
Step 1: Access the address: https://tncnonline.com.vn/tra-cuu-ma-so-thue-tncnonline.html
Step 2: Enter your citizen ID card/Identity Card number
Step 3: Select Lookup
Step 4: Receive the personal tax identification number result
Method 7: Check the personal tax identification number via Facebook
Step 1: Access the link: https://www.facebook.com/masothuedotcom/
Step 2: Click on "Send message"
Step 3: Type your citizen ID card/Identity Card number into the message section
Step 4: Receive the personal tax identification number result
How to use a tax identification number in Vietnam?
According to Article 35 of the Law on Tax Administration 2019, regulations on the use of tax identification numbers are as follows:
- Taxpayers must include the issued tax identification number on invoices, documents, and materials when conducting business transactions; opening a savings account at a commercial bank or other credit institution; tax declaration, tax payment, tax exemption, tax reduction, tax refund, non-tax collection, customs declaration registration, and performing other tax-related transactions for all obligations to pay into the state budget, including when the taxpayer operates business in multiple locations.
- Taxpayers must provide the tax identification number to relevant agencies, organizations, or include it in the dossier when conducting administrative procedures under the one-stop-shop mechanism with tax administration agencies.
- Tax administration agencies, State Treasury, commercial banks coordinating state budget collection, institutions authorized by tax agencies to collect taxes must use the taxpayer's tax identification number in tax management and tax collection for the state budget.
- Commercial banks and other credit institutions must record the tax identification number in the account opening dossier and transaction documents of the taxpayer.
- Other organizations or individuals involved in tax management must use the issued tax identification number of the taxpayer when providing information related to tax obligation determination.
- When Vietnam pays money to organizations or individuals conducting cross-border business based on a digital intermediary platform without a presence in Vietnam, it must use the issued tax identification number of these organizations or individuals for deduction and payment on their behalf.
- When a personal identification number is issued for the entire population, the personal identification number will be used instead of the tax identification number.
