How to Apply for Your Tax Identification Number?

byPaytm Editorial TeamLast Updated: April 16, 2026
What is TIN

A Tax Identification Number (TIN) serves as a unique code issued by the government to individuals and businesses for tax purposes, facilitating taxpayer identification and compliance. In the Indian context, TIN historically referred to the Value Added Tax (VAT) identification number for businesses, which has since been replaced by the Goods and Services Tax Identification Number (GSTIN). This article delves into the concept of TIN, its significance in the past, and how it was utilized for tax administration.

What is TIN?

A Taxpayer Identification Number (TIN) serves as a unique identifier for tax purposes. In India, prior to the Goods and Services Tax (GST) regime, TIN specifically referred to the Value Added Tax (VAT) identification number issued to businesses. This 11-digit number was crucial for tracking business transactions within and between states. The last two digits of this 11-digit TIN indicated the state where the business was registered, with the initial nine digits assigned by the respective state government. The possession of this number affirmed the legitimacy of a company for VAT purposes.

This system aimed to establish a centralized database for tax-related information concerning businesses operating across different states. It facilitated transparency and simplified the monitoring of transactions for tax authorities.

Read More: How to Get Instant e-PAN in 10 Minutes?

Why is TIN Important?

The Significance of a Tax Identification Number (TIN) (historically, for VAT purposes):

  • TIN (Taxpayer Identification Number) served as an ID number for businesses.
  • It helped businesses keep track of their transactions and records.
  • It facilitated the tracking of tax information related to interstate business transactions.
  • It made it easier for the government to check and verify financial transactions.
  • TIN helped prevent tax fraud and ensured fairness in taxes.
  • It simplified tax administration and aids in identifying potential tax-related issues.

    How to Apply for Tax Identification Number (TIN) Online (Historical Context)?

    Before the implementation of the Goods and Services Tax (GST) in India, businesses applied for a Taxpayer Identification Number (TIN) primarily for Value Added Tax (VAT) purposes. While the VAT system has been subsumed by GST, understanding the former process for obtaining a TIN can provide historical context regarding business tax identification. The following steps outline how a VAT-related TIN was applied for online:

    Step 1: Visit the official website of the VAT portal or Commercial Tax Department in your state. (The TIN was a part of the VAT, so you could find it on your VAT certificate.) 

    Step 2: Complete the registration process on the VAT portal by filling out the registration form with all the required information. (Remember, each state had its VAT website, so it’s important to check your respective state’s VAT website for accurate information.)

    Step 3: Upload the necessary documents such as identification proof, address proof, business registration documents, and any other supporting documents as specified.

    Step 4: Submit the registration form and supporting documents through the online portal.

    Step 5: The Commercial Tax Department would carefully review and verify the submitted form and documents.

    Step 6: Once your registration was approved, the tax authority would generate your Tax Identification Number (TIN) and provide you with a provisional certification for your business.

    Step 7: A VAT inspector employed by the state government would visit your business address for final verification.

    Alternatively, if you were looking for TIN facilitation centres, you could easily find them through the NSDL website. Here are the steps to follow:

    Step 1: Visit the official TIN website and locate the ‘Facilitation Centre’ option in the menu.

    Step 2: Click on ‘Search TIN FC’ and either enter your city’s PIN code or search for the facilitation centers based on the state or city.

    Step 3: Once you entered the relevant information, a list of TIN facilitation center representatives and their key details would be displayed.

    Step 4: You could simply visit the facilitation centre that was convenient for you and obtain your Taxpayer Identification Number (TIN) from them.

    Read more: UPI and BHIM: Which One is Better?

    Document Required for TIN Application

    The documents listed below were typically required for a VAT-related TIN application and could vary by state, as the issuance of TIN was governed by state governments. However, certain common documents were usually requested, including:

    • Proof of identity.
    • PAN card of the proprietor (if applicable).
    • Proof of address.
    • Proof of business address.
    • Passport-sized photographs of the proprietor.
    • References or security-related documents, if required.
    • Certificate of incorporation for business entities.
    • Memorandum of association and articles of association for companies registered under the Companies Act.

    *Note that the exact documents might vary depending on your state’s regulations.

    Read: What is the Difference Between PAN, TAN, TIN?

    How to Know the TIN Application Status?

    Online Status Check:

    The NSDL portal primarily facilitated services for PAN and TAN. For historical VAT-related TIN applications, status checks were generally conducted through the respective state’s Commercial Tax Department or VAT portal, using the application reference number provided during submission. As the VAT system has been replaced by GST, this specific online status tracking method for VAT TIN is no longer applicable.

    Know: How to Apply for an NSDL PAN Card

    Phone and SMS Verification:

    Similarly, phone and SMS verification services were typically associated with PAN and TAN applications handled by NSDL. For historical VAT TIN applications, applicants would have relied on the contact details and procedures provided by their state’s Commercial Tax Department for status inquiries. These methods are no longer applicable for VAT TINs post-GST.

    How to Search for a TIN?

    After the Commercial Tax Department of the state assigned a TIN (Taxpayer Identification Number), dealers and businesses could start selling goods. These businesses would include the TIN on their invoices and provide it to relevant parties involved in transactions.

    To verify the authenticity of dealers or companies, individuals could check their TIN numbers on the official website of the Commercial Tax Department in the state where the dealer was registered. This online verification process allowed individuals to confirm the details of dealers or companies before doing business with them.

    To verify a TIN, follow these steps:

    Step 1: Visit the official website of the Commercial Tax Department in your state.

    Step 2: Look for the ‘Dealer search’ option.

    Step 3: Enter the TIN of the dealer.

    Step 4: Click on the ‘Search’ button.

    These results would provide important information about the company, including details such as the business name, license status, address, and PAN (Permanent Account Number) to aid in verifying the company’s authenticity before engaging in any business transaction.

    What is the Format of a TIN?

    The VAT-related TIN typically followed a format of 11 characters. The first nine characters were assigned by the state government, while the last two characters indicated the state of the applicant. This means that the state government provided the initial portion of the TIN, and the remaining characters helped identify the state associated with the TIN.

    List of State Codes for First Two Digits of Taxpayers’ Identification Number in India

    Below is a tabular representation of the State Codes used for Taxpayers’ Identification Numbers (TIN) across various states and union territories in India:

    Difference Between GSTIN and TIN

    Note: GSTIN and TIN are both identification numbers used for taxation purposes. However, they operated within different taxation systems and had distinct procedures and rules for issuance.

    Historically, like PAN, the VAT-related TIN played a vital role in establishing a business entity’s trustworthiness with customers and the government. Under the VAT regime, businesses were required to include their TIN on invoices. While the direct application for a VAT TIN is no longer applicable with the advent of GST, the principle of having a proper tax identification number (now GSTIN) remains crucial for transparency, compliance, and successful business operations.

    Disclaimer

    This blog is written to make it easy for readers to understand complicated processes. Some information and screenshots may be outdated as government processes can change anytime without notification. However, we try our best to keep our blogs updated and relevant.

    FAQ’S
    Is TIN and TAN the same?
    TIN and TAN are different. While the VAT-related TIN was an 11-digit number assigned to organizations for state-level transactions, TAN is a 10-digit alphanumeric number assigned to entities responsible for deducting or collecting tax at source (TDS/TCS) under income tax laws.
    Is TIN the same as PAN?
    No, TIN (Taxpayer Identification Number) and PAN (Permanent Account Number) are not the same. PAN is a unique 10-character alphanumeric identifier issued by the Income Tax Department in India, primarily used for income tax-related transactions. On the other hand, TIN (Taxpayer Identification Number) was historically associated with state-level identification for tracking business-related tax obligations, specifically for Value Added Tax (VAT) purposes, before the introduction of GST.
    What is the difference between TIN and GST number?
    GST (Goods and Services Tax) is a comprehensive indirect tax system in India. The term TIN (Taxpayer Identification Number) historically referred to the 11-digit number used for Value Added Tax (VAT) purposes by businesses. With the advent of GST, this VAT-related TIN has been replaced by the GSTIN (Goods and Services Tax Identification Number), which is a unique 15-digit code assigned to businesses registered under the GST regime. In essence, while GST is the tax system, GSTIN is the specific identification number for businesses operating within it, taking over the function of the earlier VAT-related TIN.
    Does every business invoice need to have a TIN?
    Under the Value Added Tax (VAT) regime, every registered business entity was required to include its TIN (Tax Identification Number) on invoices for financial transactions. With the implementation of the Goods and Services Tax (GST), businesses now use their GSTIN (Goods and Services Tax Identification Number) on invoices for compliance.
    How can I identify my TIN?
    The term ‘TIN’ is broad. If you are referring to your Permanent Account Number (PAN), which is a form of TIN for individuals and entities, you can verify it through the ‘Know Your PAN’ facility on the Income Tax Department’s e-filing portal. For business-related tax identification, if you operate under the current Goods and Services Tax (GST) regime, your GSTIN is your primary identification number, which can be found on your GST registration certificate or verified on the GST portal.
    What is TIN full form?
    TIN stands for “Tax Identification Number.” It is a unique number assigned to individuals, businesses, or other entities for tax-related purposes.
    Is TIN not mandatory after GST?
    Under the GST regime, businesses are required to register and acquire a 15-digit Goods and Services Tax Identification Number (GSTIN), which has replaced the previously assigned Tax Identification Number (TIN) used for VAT system registration by state tax authorities.
    Is TIN compulsory?
    Historically, under the Value Added Tax (VAT) and Service Tax regimes, businesses and individuals involved in the sale or purchase of goods or services were required to obtain a Taxpayer Identification Number (TIN). With the implementation of GST, the Goods and Services Tax Identification Number (GSTIN) is now compulsory for all businesses that meet the registration criteria under the GST Act.
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