TAN Registration and Process: A Comprehensive Guide

The Income Tax (IT) department assigns the Tax Deduction and Collection Account Number (TAN) to entities and individuals who are responsible for deducting or collecting taxes on behalf of the government. It is a unique alphanumeric code and serves as an identifier for tracking tax deductions, ensuring proper tax collection, and facilitating efficient tax administration. Individuals and businesses that are responsible for deducting or collecting taxes have to apply for a TAN number and do TAN registration.

The Purpose of TAN:

The main objective of TANs is to ease the filing and processing of tax returns and ensure adherence to tax laws and regulations. TANs allow tax authorities to precisely identify taxpayers, monitor their tax obligations, and streamline tax collection procedures.

Who is required to apply for a TAN?

Entities and individuals responsible for deducting or collecting taxes on behalf of the government should apply for TAN. One can apply for TAN registration both online and offline.

Composition of TAN:

The TAN is made up of ten characters, including letters and numbers, in the following manner:

  • The first four characters are letters. The first three letters show where the TAN is from, and the fourth one is the first letter of the person or company getting the TAN.
  • The next five characters are numbers. These numbers are unique and system-generated.
  • The last character is a letter. It’s also unique and system-generated to finish the TAN.

Uses of TAN:

TAN is utilized for various tax-related activities, including:

Tax Deduction at Source (TDS): Entities holding a TAN deduct taxes at source from payments made to contractors, employees, or vendors as per the prevailing tax rates and remit the deducted amount to the government.
Tax Collection at Source (TCS): TAN is also used by entities collecting taxes at source on specific transactions, such as the sale of goods, the sale of motor vehicles, etc., and remitting the collected taxes to the government.

Process to apply for TAN registration offline:

To apply for a TAN registration offline, first get Form 49B, then fill it out and submit it to any TIN Facilitation Centre (TIN-FC). Make sure all the information is correct; otherwise, the form will be rejected. If you need help, the TIN-FC can assist you. You can find their addresses on the NSDL-TIN or NSDL websites.

The process to apply for TAN registration online:

Applicants can apply for TAN online through the NSDL website. They should follow the instructions, fill out the online form, and submit it, paying the appropriate fee. After submission, they’ll receive an acknowledgment number, which they must print and send to the NSDL head office. Once the IT department approves the application, NSDL will email or send the TAN details to the address the applicant provided on Form 49B.


TAN is required for every person or business responsible for Tax Deduction at Source (TDS) or Tax Collection at Source (TCS). The Income Tax Department provides this unique alphanumeric code, which is used as a tracking tool for tax deductions and collections. 

Would you like to get your TAN? Hurry up! Legal Terminus can provide valuable assistance in smoothly and efficiently handling your TAN registration. Our experts ensure a hassle-free and timely transition, helping you fulfill your legal and regulatory obligations effectively. Reach out to us now to take advantage of our expert services and free consultation.


This article, dated May 03, 2024, provides a general overview of the TAN and its uses. It is not legal advice, and readers are encouraged to seek professional advice for the most current information and personal guidance. The author and publisher do not accept liability for errors or omissions in this article.

Prepared by
Mr. Smruti Ranjan Sahoo,
B.Com, LL.B.

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