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TAN Number Explained: Meaning, Structure, Form 49B, Documents & Penalty

by BA. LLB Chandani Singh | Jun 8, 2026 | MCA | 0 comments

Important Keywords: TAN Number, Tax Deduction and Collection Account Number, TDS/TCS returns, Form 49B, Section 203A TAN, Section 272BB penalty, PAN vs TAN difference, How to apply for TAN, TAN structure, TAN registration, TAN application online, TAN allotment, TAN certificate, TAN correction online, TAN surrender process, TDS TAN number, TCS TAN number, TAN verification
Know your TAN, TAN search by name, TAN card download.

Words: 4,207, Read time: 22 minutes.

Last Updated: June 2026.

Table of Contents

Overview

In this article, we’ll explore the things about TAN — what it is, how it’s structured, why it’s important, who needs it, how to apply, and the legal rules behind it.

A TAN, or Tax Deduction and Collection Account Number, is mandatory for anyone who deducts or collects tax at source. You must mention it on all TDS and TCS returns, and failing to do so can lead to a ₹10,000 penalty under Section 272BB of the Income Tax Act.

We’ll also guide you through the entire TAN application process, making it easy for you to get your TAN and file TDS returns smoothly and without any mistakes.

What is a TAN?

TAN stands for Tax Deduction and Collection Account Number. It’s a 10-character number made up of letters and numbers, given by the Income Tax Department. Think of it as a special ID card for anyone who deducts or collects tax.

As per Section 203A of the Income Tax Act, 1961, mentioning TAN is mandatory on all TDS and TCS returns. If you’re someone who deducts tax at source (TDS) or collects tax at source (TCS), you must have a TAN. It helps the government keep track of all the taxes you’ve deducted or collected and makes sure everything is properly reported.

When PAN is not available, Section 206AA requires higher TDS deduction when the deductee fails to provide PAN.

In short, TAN is your official tax ID. Whenever you deal with tax payments, certificates, or statements, you need to mention your TAN. Without it, things can get messy, so it’s super important to stay on top of it.

Let’s take an example to understand this:

Suppose Company X makes payments to a contractor or a transport firm. In this case, the company is required to deduct tax at source (TDS). Therefore, Company X must have a TAN.

If the company does not mention the TAN in the required documents or fails to apply for it, a penalty of ₹10,000 can be imposed.

Structure of TAN

A TAN is made up of 10 characters:

  • First 4 characters – letters (alphabets)
  • Next 5 characters – numbers
  • Last character – a letter (alphabet)

Here’s what the letters mean:

  • The first 3 letters show the area or city (jurisdiction) of the TAN holder.
  • The 4th letter is the first letter of the TAN holder’s name (could be a person, company, or firm).

Examples:
If Mr. Pankaj from Mumbai has a TAN, it might look like this:
MUM P 12345 L:

  • “MUM” = Mumbai (represents the TAN holder's jurisdiction).
  • “P” = Pankaj
  • “12345” = unique numbers
  • “L” = A randomly generated alphabetic check digit.

DEL N 12345 M:

  • “DEL” indicates Delhi jurisdiction.
  • “N” refers to Nefco Fintech Pvt. Ltd.
  • “12345” is a unique number.
  • “M” A randomly generated alphabetic check digit.

Why TAN is important?

TAN (Tax Deduction and Collection Account Number) is very important for anyone who cuts tax (TDS) or collects tax (TCS) on behalf of the government.

Whenever you deposit TDS/TCS or file related forms, you must write your TAN number in all documents like:

  • TDS/TCS returns (reports you submit to the Income Tax Department),
  • Certificates you give to the person whose tax you deducted, and
  • Payment challans (slips used to pay tax in the bank).

If you don’t mention your TAN, then:.

  • TDS/TCS returns cannot be processed correctly without a valid TAN, and
  • The bank will not accept your challans for tax payment.

So basically, without a TAN, you can’t file or pay your TDS/TCS properly.

Also, if you are supposed to have a TAN but you don’t apply for it, the Income Tax Department can fine you ₹10,000. That’s why having a TAN is very important.

In short:
TAN is like your tax deduction ID card.
You need it every time you deposit or report tax you collected or deducted.
Without it, your forms and payments will be rejected, and you may even get a penalty of ₹10,000.

What are the types of TAN applications?

There are two types of TAN applications:

  • Application for new TAN: If you don’t have a TAN yet, you can fill out Form 49B to apply for one. You can submit this form either online or offline at TIN Facilitation Centers managed by NSDL.
  • Form for change or correction in TAN: Used when you need to update or correct any details in your existing TAN.

Now, let’s have a look at the steps to apply for a TAN card online or offline in simple terms.

How to apply for a TAN in India?

You can apply for TAN in two ways: Online and Offline.

Online Method:

Applicants can apply for TAN online through the NSDL-TIN website. They just need to follow the below steps carefully, fill out the online form, and submit it on the website:

  • Visit the NSDL website: Go to the official NSDL-TIN website.
  • Register yourself: Fill in all the required details on the registration page.
  • Get acknowledgment: After submitting, you’ll see an acknowledgment page with a 14-digit unique number. Print it or save it for your records.
  • Make payment: For correction of TAN or applying a new one the charges is same of Rs.77 (Rs.65 application charge + 18% GST). You can pay this online using net banking, credit or debit cards, or other available ways. (Prescribed fee as applicable at the time of application).
  • After receiving the TAN application: The Income Tax Department will check all the details and then approve and issue the TAN through NSDL.
  • Once the TAN is ready: NSDL will send it to the address you mentioned in Form 49B or share it with you by email.

Offline Method:

Applicants can apply for TAN offline. They just need to download the offline form from the NSDL website and follow the steps below carefully:

  • Get Form 49B: You can download it from the Income Tax Department website or collect it from a TIN-FC center.
  • Fill and submit the form 49B: Submit the completed form at the nearest TIN-FC center.
  • No documents required: You don’t need to attach any supporting documents for offline TAN application.

Mode of submission of documents

After signing the acknowledgment, send it along with the required documents to:

Protean eGov Technologies Limited
4th Floor, Sapphire Chambers,
Baner Road, Baner,
Pune – 411045

Make sure to clearly write on the envelope: —
“'APPLICATION FOR TAN - Acknowledgment Number' (e.g. 'APPLICATION TAN - 88301020000244').​

In both cases, once the application has been processed and verified, the TAN will be delivered to your registered address.

Here is the link you can download the form 49B PDF.

How to fill form 49B for TAN?

Filling Form 49B is simple — just make sure your details are accurate. Here’s a step-by-step guide with examples:

Personal or Business Details:
Enter the full name and address of the person or organization responsible for deducting or collecting tax.
Example: If you are a sole proprietor, write your full name. If it’s a company, write the official company name exactly as per your records.

Contact Information:
Provide a valid mobile number and email address so you can receive updates about your TAN application.

Area Code Details:
Fill in the area code, AO type, range code, and AO number (Assessing Officer). These relate to the tax office that handles your area.

Remember: You can find these on the Income Tax Department website or get help at a TIN Facilitation Centre (TIN-FC).

Applicant Type:
Select the type of applicant — such as individual, company, partnership, or branch of a company.
Example: If you are applying on behalf of a company’s branch office, choose “branch of company.”

Payment Details:

Online application: Pay the fee directly through the NSDL portal.

Offline application: Include the payment details in the form. (Demand draft & Cheque)

Who allots the TAN?

The Income Tax Department of India allots the TAN (Tax Deduction and Collection Account Number). The process of applying for and handling TANs is managed by Protean eGov Technologies Limited (formerly NSDL e‑Governance) on behalf of the department. Protean runs a network of TIN Facilitation Centers (TIN-FCs) and its online portal so you can apply easily for a TAN, submit your details, follow its progress, and get your number quickly.

Checking TAN status online

Applicants can track their TAN status using the 14-digit acknowledgment number by:

  • Visiting the TIN-NSDL website.
  • Selecting ‘Know your TAN’.
  • Entering the acknowledgment number and captcha.
  • Clicking Submit to view the status.

And that’s it! No waiting, no calling — just a few clicks, and you’re updated. It’s the easiest way to stay on top of your application and know when your TAN is ready.

Who can apply for a TAN?

Anyone who needs to deduct or collect tax—for example, while paying salaries, commissions, or other taxable payments—must have a TAN.

This can include:

  • Individuals
  • Companies
  • Firms and sole proprietors
  • Hindu Undivided Families (HUFs)
  • Trusts and charitable organizations
  • Central or State Government departments
  • Local authorities
  • Associations of Persons (AOPs) or Body of Individuals (BOIs)

In short, any person or organization that deals with TDS/TCS payments must apply for a TAN.

Who cannot apply for a TAN?

  • Individuals filing personal income tax returns without any TDS responsibility.
  • Salaried employees, as TDS is deducted by their employers.

Documents required for TAN

Generally, no supporting documents are required to be submitted with Form 49B for allotment of TAN. However, the applicant should ensure that the details provided are accurate and may be required to furnish supporting information if requested by the authorities.

Difference between TAN and PAN

FeatureTAN PAN
Full FormTax Deduction and Collection Account NumberPermanent Account Number
Who Needs It?Businesses and employers responsible for TDS/TCSIndividuals, companies, and entities involved in financial transactions.
Number Format10-character alphanumeric code
(e.g., MUMT12345L)
10-character alphanumeric code
(e.g., ABCDE1234F)
Issuing AuthorityIncome Tax Department (through NSDL/Protean eGov)Income Tax Department (through NSDL/Protean eGov)
Legal RequirementMandatory for deducting or collecting tax at source.Mandatory for filing ITR, opening bank accounts, etc.
PurposeUsed for TDS/TCS deductions and deposits.Used for all financial transactions and tax filings.
Mandatory ForEntities liable to deduct or collect tax at sourceEvery taxpayer in India
Applicable ToEntities deducting tax at sourceIndividuals and businesses
Penalty for Non-Compliance₹10,000/-₹10,000/-
Legal MandateSection 203A of IT ActSection 139 of IT Act

How to Verify a TAN?

You can verify an existing TAN online:

  1. Visit the Income Tax e-Filing portal (https://www.incometax.gov.in).
  2. Click on “Know Your TAN” under Quick Links.
  3. Enter the required details and verify the TAN status.

Why verify TAN?

  • To verify if a TAN is active before submitting TDS/TCS returns.
  • To make sure the TAN is correct in financial records and documents.

Penalty for Non-Compliance

Non-compliance with TAN regulations can lead to penalties under Section 272BB of the Income Tax Act:

  • Failure to obtain TAN: ₹10,000 penalty.
  • Failure to mention TAN: ₹10,000 penalty for incorrect TAN on TDS/TCS returns.
  • Incorrect TAN on documents: May lead to rejection of TDS/TCS filings.

To avoid penalties, businesses and individuals responsible for TDS/TCS must apply for and use TAN correctly.

What if I need to update my TAN details — is it possible?

Yes! If your TAN has already been issued but you need to some details have changed, you can easily update them.

Here’s a simple step-by-step guide:

  • Get the correction form: Download the TAN Correction Form from the NSDL website or pick one up from a TIN Facilitation Centre (TIN-FC).
  • Write what needs to change: Clearly mention the details you want to update — like your name, address, or other information.
  • Attach proof: Include supporting documents for your changes.
    Example: If you’re changing your address, attach a valid new address proof.
  • Submit the form: You can submit it online through NSDL or offline at a TIN-FC.

Keeping your TAN information accurate and up-to-date is important to avoid any problems with tax deductions or other official transactions.

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Conclusion

From this article, we Understood that TAN, or Tax Deduction and Collection Account Number, is an important ID for individuals and organizations responsible for deducting or collecting tax at source. It helps ensure proper tracking, transparency, and compliance in the tax process.

Getting a TAN is mandatory for anyone dealing with TDS or TCS, and mentioning it in all related documents helps keep the tax system smooth and accurate. This article provides the basic and necessary information about TAN so you can understand it clearly.

If you have any questions or notice anything missing in this article, you can contact/email me at help@finodha.in. You can also share your queries, and I will update the article to include any missing points, making it a complete guide for everyone.

Disclaimer: The information in this article is for general knowledge purposes only and should not be considered legal, tax, or professional advice.


FAQs: Get answers to all your queries!

Question. What is TAN?

Answer. TAN stands for Tax Deduction and Collection Account Number. It is a 10-character alphanumeric number issued by the Income Tax Department (ITD).

Question. Who needs a TAN?

Answer. Anyone who deducts or collects tax at source (TDS/TCS) must have a TAN. You need to quote it on all TDS/TCS returns, payment challans, certificates, and related documents.
Exception: If you are deducting tax under Sections 194-IA, 194-IB, or 194M, you can use your PAN instead of TAN.

Question. Is it mandatory for government deductors to apply for TAN?

Answer. Yes, it is mandatory for government departments that deduct TDS or collect TCS to apply for a TAN.

Question. Who allots TAN?

Answer. TAN is allotted by the Income Tax Department of the country.

Question. What documents do I need to submit with the TAN application?

Answer. No document is required to be submitted while making a TAN application.

Question. Do I need to pay for availing a TAN Card?

Answer. Yes, you do need to pay for a TAN application, and the up‑to‑date full amount is ₹ 77 including 18% GST.

Question. Should I apply for a new TAN if I change my address?

Answer. No. If your address changes, you should file a TAN correction request and update your details. You do not need to apply for a new TAN.

Question. Do I need a separate TAN for collecting tax at source?

Answer. If you already have a TAN, no need for a new one only for collecting tax at source (TCS). You can use the same TAN in all returns, challans, and certificates for TCS.

Question. How to Prove You Have a TAN if You Lose the Number?

Answer. If you lose your TAN number, you can still prove that you have a TAN:

TAN Allotment Letter: The official letter you received when TAN was issued proves it.
Previous Documents: Any TDS/TCS returns, challans, or certificates where your TAN was used also count as proof.

Click here to get your company’s PAN and TAN.

Question. Can I quote PAN in place of TAN?

Answer. No, you cannot use PAN in place of TAN under some circumstances because both serve different purposes.

TAN is needed when you deduct or collect tax at source (TDS/TCS).
PAN is used to identify taxpayers, but it cannot replace TAN in TDS/TCS returns, challans, or certificates.

[But you can use PAN in the place of TAN — according to the Income Tax Act, 1961, a person required to deduct tax under Section 194IA, Section 194IB or Section 194M may quote their PAN instead of a TAN.]

Question. Who issues the TAN in India?

Answer. TAN is given by the Income Tax Department through NSDL or TIN-FCs.

click here: for register your Private Limited Company!

Question. What is the full form of TAN?

Answer. The full form of TAN is Tax Deduction and Collection Account Number.

Question. Why is TAN required?

Answer. TAN is required for anyone who deducts or collects tax at source (TDS/TCS). It’s mandatory to used in returns, challans, and certificates to identify the deductor/collector.

Question. How many digits are there in a TAN?

Answer. A TAN consists of 10 alphanumeric characters.

Question. Does a normal salaried person need a TAN?

Answer. TAN is meant for those responsible for tax deduction or collection, so a normal salaried person doesn’t need a TAN.

Question. Can a person have both PAN and TAN?

Answer. Yes, a person or entity can have both PAN and TAN — PAN identifies the taxpayer, while TAN is needed to deduct or collect tax at source.

Example: Small Business Owner:
Meet Mr. Raju, who runs a small IT firm. Every month, he pays salaries to his employees and deducts TDS before giving them their pay. For his personal income tax, he uses his PAN, but for all matters related to deducting and reporting TDS, he uses a TAN. This way, Mr. Raju stays fully compliant with tax rules while managing his business smoothly.

Question. How much time does it take to get TAN number?

Answer. If you apply online, you can usually get your TAN in 5–10 working days but
If you applied Offline, you need to post at a TIN Facilitation Centre, it may take around 7–15 working days.

Question. How can I find my TAN number online?

Answer. You can find your TAN online by visiting the NSDL TAN portal, selecting “Know Your TAN”, entering your name and state, and the system will show your TAN number.

Question. What is the TAN account number?

Answer. A TAN account number is a unique 10-character code used by anyone who deducts or collects tax at source (TDS/TCS) to report and deposit tax with the government.

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Question. can I search TAN number by name?

Answer. Yes, you can search your TAN by name on the NSDL TAN portal. Just enter the name of the deductor/collector and the state, and the portal will show the TAN number.

Question. Are TAN and PAN number the same?

Answer. No, TAN and PAN numbers are not the same, even though both have 10 characters.

PAN Number Structure:
Example: ABCDE 1234 F - 5 letters + 4 numbers + 1 letter
The first 3 letters are randomly assigned,
The 4th letter represents the category of the taxpayer (e.g., individual, company, firm),
The 5th letter represents the first letter of the surname (for individuals).

TAN Number Structure:
Example: AAAE 12345 F - 4 letters + 5 numbers + 1 letter
The first 3 letters show the jurisdiction of the TAN holder,
The 4th letter represents the surname or name of the deductor/collector.

Question. Where is TAN used in Income tax?

Answer. TAN is used in all TDS or TCS transactions — when filing returns, depositing tax, or issuing certificates — to identify the deductor or collector of tax.

click here: for GST and ITR filing.

Question. What is a TAN in Banking?

Answer. TAN in banking is a special 10-character number given by the government to banks and other organizations that deduct or collect tax, so they can report it correctly.

Question. Can I search TAN by PAN number?

Answer. No, you cannot search TAN using a PAN number directly because they serve different purposes.

Question. How many TANs can one entity have?

Answer. A business may obtain multiple TANs for different branches if separate TDS compliance is maintained.

Question. Can one PAN have multiple TANs?

Answer. Yes, one PAN can have multiple TANs.
A person or entity may obtain more than one Tax Deduction and Collection Account Number (TAN) if it is required to deduct or collect tax from different offices, branches, or divisions. In such cases, separate TANs can be allotted for each branch or office.

Question. Can one TAN be used for multiple branches?

Answer. Yes, one TAN can be used for multiple branches if TDS/TCS compliance for all branches is managed centrally.

Question. When should TAN be applied for?

Answer. TAN should be obtained before deducting or collecting tax for the first time.

Question. What happens after TAN allotment?

Answer. After receiving a TAN, the person or business becomes responsible for deducting TDS (where applicable), depositing it with the government, filing TDS returns, and using the TAN in all TDS-related documents.

Question. Can a company have more than one TAN?

Answer. Yes, A company may obtain more than one Tax Deduction and Collection Account Numbers (TANs) for different branches, offices, or divisions that separately deduct and deposit TDS/TCS.

Question. Is TAN mandatory for proprietorship firms?

Answer. No, TAN is not mandatory for all proprietorship firms.

Question. Can a TAN be surrendered?

Answer. Yes, a TAN can be surrendered if it is a duplicate or is no longer needed.

Question. What happens if I have multiple TANs?

Answer. Having multiple TANs is not necessarily a problem, but duplicate TANs for the same office or entity should be avoided.

Question. How to download TAN allotment letter?

Answer. Applicants can track the status of their TAN application through the Protean portal and obtain allotment details once the application is processed.

Follow these simple steps:
1. Visit the TAN application website where you applied for TAN.
2. Open the "Track TAN Application Status" option.
3. Enter your acknowledgment number and other required details.
4. View your TAN details.
5. Download or print the TAN allotment letter, if available.

Question. Can TAN be cancelled?

Answer. Yes, A TAN can be cancelled if it is a duplicate or is no longer required. The holder must submit a request to the concerned tax authority for cancellation.

Question. What is TAN correction?

Answer. TAN correction means correcting or updating the details linked to a TAN so that the information in the tax records remains accurate and up to date.

Question. Can I file TDS return without TAN?

Answer. No, you cannot file a TDS return without a TAN. Tan is a mandatory for filing TDS returns.

Question. Is TAN required for GST registration?

Answer. No, TAN is not required for GST registration. It is required only for TDS/TCS-related compliance.

Question. Is TAN linked with PAN?

Answer. Yes, TAN is linked with PAN.


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