Difference between TIN, TAN, VAT, PAN, DSC, and DIN

TIN, TAN, VAT, PAN, DSC, and DIN- Differences for these most commonly used terms


A person must comprehend the fundamental differences between the TIN, TAN, PAT, DIN, DSC, and VAT before starting a firm. These three-letter terms are extremely important for any business owner to grasp since they will aid in understanding the compliance requirements when starting a business and engaging in any financial activity with the intent of profiting from it.

Information on TAN

TAN (Tax Deducted and Collection Account Number) is involved whenever a company is established and an employee is hired. The TAN is a number provided to employers/ individuals who are required by the Income Tax Act to deduct taxes on payments made by Businesses.


If a company doing TDS (Tax Deducted at Source) does not have a legitimate TAN, it will face serious legal consequences. Once a company has a TAN, it is the responsibility of the company to file TDS Returns every quarter.

Information on TIN/VAT

Taxpayer Identification Number (TIN) is the complete version of what was previously known as the VAT (Value Added Tax) / CST (Central Sales Tax) or Sales Tax Number. This number is provided by the Commercial Tax Department and aids in the identification of individuals and businesses who pay commercial taxes to the State Government. It is a one-of-a-kind eleven-digit number that must be used for all VAT-related Business Transactions.


In addition, it serves as a registration number for businesses that have registered with the VAT Office. This agency was in charge of interstate sales taxation before the implementation of the Goods and Service Tax (GST). As a result, the TIN or VAT applies to all types of commodities, including manufactured goods, export things, e-commerce items, and retail goods. The VAT or TIN has been superseded by the GST or GSTIN after the introduction of the GST (Goods and Service Tax) in 2017.

Information on PAN

The PAN (Permanent Account Number) is a ten-digit alphanumeric code that is used to identify every Indian Taxpayer. This number pertains to everyone in India, including individuals, Foreigners, Businesses, Trusts, and HUFs. It is a vital document that also functions as identification. It is provided by the Income Tax Department of India. Anyone who wants to start their own business must have a valid PAN Card. In addition, the IT Department uses this card to keep track of all financial transactions as well as the taxable portion of such transactions. In addition, this PAN Card is now necessary for big cash deposits, the acquisition of loans, and the purchase of immovable assets.

Information on DSC

Digital Signature Certificates (DSC) are an electronic format of permission that can be used to prove an individual’s identification in specific online transactions and files. In India, DSCs are primarily used by the Ministry of Commerce and Industry, the Income Tax Department, the Directorate General of Foreign Trade, E-Tenders, and the Employee Provident Fund (EPF).

3 types of DSC Class

  • Class 1: It is used to keep e-mail communication secure. It verifies the user’s email address and name.
  • Class 2: Class 2 certificates are mostly used for the Company Incorporation, Income Tax Return, E-filing, LLP (Limited Liability Partnership), and others.
  • Class 3: Class 3 certificate is utilized for e-auction and e-tendering participation, It covers a wide range of topics, including contract forms, bid document submissions, and so on.

Information on DIN

A Director Identification Number (DIN) is a one-of-a-kind number assigned to an existing or future director of a corporation and required for registration. The terms Director Identification Number (DIN) and Designated Partner Identification Number (DPIN) are interchangeable. In India, a DPIN is necessary to register an LLP. The DIN usually comprises all of the personal information about the individual who is about to become a Director. Persons are the only ones who can receive a DIN. By giving proof of identification and address, both Indian and foreign citizens can obtain a DIN. Because the Digital Signature Certificate (DSC) is required when applying for a DIN, therefore it must be obtained first.

Difference between TIN, TAN, PAN, DSC, and DIN






TIN stands for Tax Identification Number.

TAN stands for Tax Deduction and Collection Account Number.

PAN stands for Permanent Account Number.

DSC stands for Digital Signature Certificate.

DIN stands for Director Identification Number.

Distinct states have different laws that apply to TIN.

The Law applicable to TAN is under section 203A of the Income Tax Act.

The law applicable to PAN is under section 139A of the Income Tax Act.

As per the Companies Act, 2013.

The Law applicable for DIN is under sections 153 and 154 of the Companies Act.

Enterprises requesting VAT registration, such as exporters, manufacturers, traders, and dealers of products and services, must register for a TIN. TIN now replaced with GSTIN.

TAN is a ten-digit alphanumeric number issued by the Indian Income Tax Department to individuals who are obligated to deduct or collect tax on payments made under the Indian Income Tax Act, 1961.

PAN (Permanent Account Number) is a 10-digit identification number required by the Income Tax Department for anybody who conducts financial transactions or pays taxes.

Digital signatures are required for certain documents and transactions to be filed online.

DIN is a unique identification number reserved for the company’s current or upcoming directors. It contains personal information about them.

TIN is issued by the Commercial Tax Department of the respective States.

TAN is issued by the Income Tax Department.

PAN is issued by the Income Tax Department.

It is issued by any licensed certifying authority, as per section 24 of the Income Tax Act, 2000.

DIN is allotted by the Central Government.


The necessary documentation is essential for a successful submission, whether you run a business or an individual submitting taxes. Understanding of the TIN, TAN, PAN, DIN, VAT and DSC will help you in the proper filing of your taxes, and also protect you from any hefty penalties. It also saves time when signing contracts or agreements with third parties, therefore familiarizing yourself with these words is essential.

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Author: zarana-mehta

Zarana Mehta is an MBA in Finance from Gujarat Technology University. Though having a masters degree in Business Administration, her upbeat and optimistic approach for changes led her to pursue her passion i.e. Creative writing. She is currently working as Content Writer at Ebizfiling.

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