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difference between TAN and TIN

Difference Between TAN & TIN in Income Tax

TAN and TIN are crucial tax identification numbers in India. Understand their differences, formats and application processes for smooth compliance.

 

Written by : Knowledge Centre Team

2026-02-10

2972 Views

7 minutes read

Individual taxpayers and corporations in India require various documents while filing income tax returns (ITRs). While the process itself can seem daunting, the various terms associated with the process can further complicate matters, especially for those filing income tax returns for the first time. The two most common terms that come up either while filing taxes or while communicating with the Tax Department are TAN and TIN.

In this blog, let us understand why individuals think tan number and tin number are the same and their differences.

Key Takeaways

  • TAN is required for those responsible for deducting TDS or collecting TCS

  • TIN is assigned to businesses for VAT/GST transactions, but is now mostly replaced by GSTIN

  • The Income Tax Department issues TAN, while the Commercial Tax Department of the respective state handles TIN

  • TAN is mandatory for TDS/TCS filings, whereas TIN is essential for businesses registered under indirect taxes

  • Incorrect or missing TAN/TIN in tax filings can lead to penalties and non-compliance issues

Tax Deduction and Collection Account Number (TAN)

The Tax Deduction and Collection Account Number (TAN) is a unique ten-digit alphanumeric code assigned by the Income Tax Department to all entities that are responsible for collecting or deducting taxes. Furthermore, under section 203A of the Income Tax Act, 1961, in order to furnish the TDS details collected by the entity, such as corporations and offices that deduct taxes, a TAN is mandatory. Section 203A has also made it mandatory to quote TAN for documents, including TDS and TCS statements, TDS and TCS certificates, and challans for payment of TDS and TCS, among others.

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Taxpayer Identification Number (TIN)

The Taxpayer Identification Number (TIN), similar to TAN, is a unique 11-digit identification number that is given to Indian enterprises and organisations for which Value Added Tax (VAT) is applicable, such as e-commerce stores and product or service manufacturers. Quoting of TIN has been made mandatory for business enterprises while filing taxes, and applies to sales transactions that happen within a state, and those that happen between two or more states. The Taxpayer Identification Number (TIN) also makes it easier for entities to have all the VAT transactions in one centralised place. This also enables entities to see the amount of VAT collected, paid, or to be paid in the future.

Differences Between TAN And TIN Numbers

Both TAN and TIN are tax identification numbers. However, while the Taxpayer Identification Number (TIN) is beneficial for both the state and the entity, the Tax Deduction and Collection Account Number (TAN) is assigned to companies and financial institutions. TAN helps in keeping track of the collection and deduction of taxes that take place at the source.

Apart from that, here are some of the key differences between TAN and TIN:

  • Allocation Agency: The Income Tax Department of India allocates the Tax Deduction and Collection Account Number (TAN), while the Commercial Tax Department of the applicant’s state allocates the Taxpayer Identification Number (TIN).
  • Number Composition: TAN is a ten-digit alphanumeric number, which is assigned to entities that are responsible for collecting and deducting taxes. TIN, on the other hand, is an eleven-digit registration number assigned to business enterprises and companies for whom VAT is applicable.
  • Purpose: TAN’s purpose is to streamline collection and deduction at the source. Meanwhile, TIN is used to track VAT-related activities in India.
  • Forms to be Filled While Applying: Individuals applying for TAN must fill out Form 49B, while different states have different forms for entities applying for TIN.
  • Documents to be Submitted: While applying for TAN, individuals needn’t submit additional documents with the application form. However, when applying online, one must submit a signed acknowledgement generated by NSDL. For TIN, however, the documents required include identity and address proof, along with other documents which vary from state to state.

How to Apply for TAN and TIN in India?

Applying for a TAN (Tax Deduction and Collection Account Number) and a TIN (Taxpayer Identification Number) is essential for businesses and individuals involved in tax-related transactions. Here’s a step-by-step guide for each:

  • Applying for TAN: When applying for a Tax Deduction and Collection Account Number is a structured process designed by the Income Tax Department. It helps deductors and collectors stay tax compliant. Applicants can choose between an online and offline method based on their convenience.

    The following are the different ways in which you can apply for a TAN number:

    1. Online Application:
      • Visit the official Income Tax India website
      • Go to “Tax e-Services”, select "Apply for TAN", and fill out Form 49B with relevant details
      • Choose the correct category (e.g., company, partnership, individual)
      • Submit the form and make the required payment online
    2. Offline Application:
      • Obtain Form 49B from a TIN Facilitation Centre or download it online
      • Fill in the required details and submit them along with the processing fee
      • The application can be submitted at the nearest TIN facilitation centre
    3. Processing and Issuance:
      • Once submitted, an acknowledgement number is generated
      • The Income Tax Department verifies the details, and the TAN is issued
      • TAN is communicated via a physical letter and can also be checked online
  • Applying for TIN: TIN is required for businesses registered under VAT, CST, or GST to track tax-related transactions. The process varies by state, but generally includes:

    1. Online Registration:
      • Visit the NSDL official website, now known as Proteantech (https://www.proteantech.in/about/)
      • Fill out the TIN registration form with business details
      • Upload required documents (PAN, business address proof, ID proof, bank details)
    2. Offline Registration:
      • Visit the local VAT/GST office and obtain the TIN application form
      • Fill in the details and attach the necessary supporting documents
      • Submit the form along with the applicable registration fee
    3. Verification & Issuance:
      • The tax department verifies the submitted details and documents
      • A unique TIN number is issued upon successful verification
      • Businesses must display their TIN in invoices and tax-related documents

Understanding the Structure of TAN and TIN’s Format

Both TAN and TIN have specific formats that help in identification and classification. Understanding these formats ensures smooth tax compliance and correct usage in financial documentation. Here’s a quick overview of the structure of the TAN and TIN numbers:

  • TAN Format: TAN is a 10-character alphanumeric code structured as: AAAA12345A
    1. The first 4 characters (AAAA): Represent the first letter of the name of the entity
    2. Next 5 characters (12345): Unique numeric identifier assigned by the tax department
    3. The last character (A) is an alphabetic check digit for validation
  • TIN Format: TIN is a unique 11-digit number, where:
    1. The first two digits represent the state code (as per the GSTIN format)
    2. The remaining nine digits are unique to each taxpayer and assigned by the state tax department
    3. The format varies across states, but follows a numeric structure for easy identification
Do you know

Did You Know?

TAN must be quoted in all TDS/TCS transactions, but individuals making personal payments (like rent) don’t need a TAN to deduct TDS.


Source:
 Clear Tax

save Your tax With Term Plan

Key Regulatory Authorities for TAN and TIN

Several government bodies oversee the issuance, compliance, and regulation of TAN and TIN in India. Each authority plays a specific role in ensuring smooth tax administration and compliance.

  • Income Tax Department (ITD): The Income Tax Department (ITD) is responsible for overseeing the issuance and compliance of TAN (Tax Deduction and Collection Account Number). It ensures that businesses deduct or collect tax at source and deposit it within the stipulated time. The department also monitors tax returns and audits entities that fail to comply with TDS and TCS regulations.
  • NSDL e-Governance (Protean eGov Technologies Limited): The NSDL e-Governance (now Protean eGov Technologies Limited) is an intermediary that manages the TIN application process. It facilitates online and offline TIN applications, provides a tracking mechanism, and assists businesses in making necessary corrections to their TIN details. The NSDL portal allows applicants to apply for TIN, check its status, and download essential tax-related documents.
  • Goods and Services Tax Network (GSTN): The Goods and Services Tax Network (GSTN) oversees the issuance and management of TIN (Taxpayer Identification Number) under the GST system. Since the introduction of GST, TIN has been replaced by the GSTIN (Goods and Services Tax Identification Number). GSTN ensures businesses are registered under GST, tracks their tax liabilities, and facilitates seamless compliance with indirect tax laws.
  • State Commercial Tax Departments: Before GST was implemented, State Commercial Tax Departments were responsible for issuing TIN under the Value Added Tax (VAT) and Central Sales Tax (CST) systems. While GST has largely replaced VAT and CST, some states still use TIN for specific transactions, such as petroleum products and liquor sales, which remain outside GST. These departments handle tax registrations, process VAT refunds, and ensure compliance with state-level tax laws.
  • Central Board of Direct Taxes (CBDT): The Central Board of Direct Taxes (CBDT) is the apex body that formulates policies related to TAN, TDS, and TCS regulations. It issues guidelines, monitors tax compliance, and ensures that businesses adhere to tax laws. CBDT plays a crucial role in tax administration by setting rules for tax collection at the source, determining penalties for non-compliance, and guiding the Income Tax Department in enforcement actions.

    Each of these regulatory authorities plays a vital role in tax administration, ensuring businesses and individuals comply with TAN and TIN-related regulations effectively.

Conclusion

Understanding the distinction between TAN and TIN is essential for businesses and individuals to understand India’s tax system. The Taxpayer Identification Number (TIN) is for entities such as traders and manufacturers, for which Value Added Tax (VAT) is applicable. For these business enterprises and companies, quoting a TIN is mandatory while filing taxes.

The Tax Deduction and Collection Account Number (TAN) is assigned to all the entities that are responsible for deducting or collecting taxes at the source. For example, companies that deduct TDS from employees’ salaries, or financial institutions that collect taxes on certain payments, are required to have a TAN before remitting these taxes to the government. TDS is usually applicable to salaries, commissions, and interests. When it comes to life insurance policies, TDS is usually deducted from the maturity amount.

Glossary

  1. GSTIN: A unique identifier replacing TIN under GST for businesses registered under the tax system
  2. NSDL (National Securities Depository Limited): Now Protean eGov Technologies, it manages TAN applications and compliance
  3. CBDT (Central Board of Direct Taxes): The governing body overseeing tax policies, including TAN and TDS regulations
Glossary book
Uncertain About Insurance

FAQs

TAN refers to the Tax Deduction and Collection Number in India.

A Taxpayer Identification Number (TIN) is a unique number used by the IRS to manage and enforce tax laws. It is issued either by the Social Security Administration or the IRS.

When we discuss what TAN and TIN are or TAN vs TIN, we must understand that they are essential and mandatory legal documents when you indulge in tax-related activities. TAN helps entities that may deduct or collect at source. TIN (Taxpayer Identification Number), on the other hand, was primarily used for tracking indirect tax payments such as VAT. With the introduction of GST, TIN has largely been replaced by the GST Identification Number (GSTIN)

The Taxpayer Identification Number (TIN) has mostly been replaced by the 15-digit Goods and Services Tax Identification Number (GSTIN) for business and transactional purposes after the rollout of GST in July 2017. However, TIN has not been completely phased out and continues to be used in certain limited situations.

TAN is a 10-character alphanumeric code, while TIN is an 11-digit numeric code. TAN identifies tax deductors, while TIN identifies VAT taxpayers.

The consequences of missing or incorrectly quoting TAN/TIN in tax filings are as follows:

  • Penalties: Tax authorities may impose monetary penalties, such as a fine of ₹10,000 for quoting an incorrect TAN while filing a challan.

  • Invalid Invoices: E-invoices with errors or missing details are treated as invalid and may result in invoice generation failure and incur penalties.

  • Reputational Impact: Incorrect tax invoices can damage a business’s credibility and strain relationships with customers and business partners.

  • Legal Action: Providing false PAN details may result in prosecution, including imprisonment of up to seven years, along with a monetary penalty.

TAN can be applied both online and offline using Form 49B through authorised portals.

Disclaimer - This article is issued in the general public interest and meant for general information purposes only. The views expressed in this blog are solely those of the writer and do not necessarily reflect the official policy or position of Canara HSBC Life Insurance Company Limited or any affiliated entity. We make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability, or availability with respect to the blog or the information, products, services, or related graphics contained in the blog for any purpose. Any reliance you place on such information is therefore strictly at your own risk. You should consult with a qualified professional regarding your specific circumstances before taking any action based on the content provided herein.

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