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What is the GSTIN number?

What is the GSTIN number?

31-Oct-2025

Tax

Answer By law4u team

The GSTIN (Goods and Services Tax Identification Number) is a unique 15-digit number assigned to every business or individual that is registered under the Goods and Services Tax (GST) system in India. It serves as a unique identification for a taxpayer and is mandatory for those who are required to be registered under GST. Structure of GSTIN: The GSTIN consists of 15 characters, and each part of the number has a specific meaning: 1. The first two digits represent the state code as per Indian Census (for example, 07 for Delhi, 27 for Maharashtra). 2. The next ten digits are the Permanent Account Number (PAN) of the taxpayer. 3. The thirteenth digit indicates the number of registrations a person has within a state (like 1, 2, 3, etc.). 4. The fourteenth digit is usually the letter ‘Z’ by default. 5. The fifteenth digit is a check code used for error detection. Who needs a GSTIN? GSTIN is required for: Businesses whose turnover exceeds the threshold limit set for GST registration. Individuals or companies involved in inter-state supply of goods or services. E-commerce sellers and operators. Businesses making taxable supplies on behalf of other taxable persons (agents, brokers, etc.). Anyone who voluntarily registers under GST. Why is GSTIN important? It legally recognizes a person or business as a supplier under GST. It is used in GST returns, invoices, and for claiming input tax credit. It is essential for compliance with GST law and avoiding penalties. How to get a GSTIN? A person or business can obtain a GSTIN by registering through the official GST portal ([www.gst.gov.in](http://www.gst.gov.in)). After successful verification of the application and documents, the government issues the GSTIN. How to verify a GSTIN? To verify a GSTIN, you can visit the GST portal, go to "Search Taxpayer" and then choose "Search by GSTIN". Enter the number to view details like legal name, trade name, registration status, etc.

Answer By Ayantika Mondal

Dear Client, A GSTIN (Goods and Services Tax Identification Number) is a unique 15-digit number which is given to every business or person registered under the Goods and Services Tax (GST) in India. It is used to manage all the activities under GST, including filing returns, payment of taxes collected, and claiming the input tax credit. The GSTIN facilitates the government tracking the taxes paid and to promote transparency of taxpayer transactions. The format of the GSTIN includes: 1. The first 2 digits are the state code. 2. The next 10 digits are the taxpayer's PAN 3. Followed by 3 characters for registration details. I hope this answer helps. For any further queries, please do not hesitate to contact us. Thank you.

Answer By Anik

Dear client, A GSTIN (Goods and Services Tax Identification Number) is a unique 15 digit number that is given to every taxpayer which includes mainly dealers, suppliers, business entity that is registered under the GST system. This concept came with the advent of the GST and till then all the dealers were registered under the concerned state VAT law in which case the unique TIN number was given by the respective state tax authorities. This system has been replaced by the GSTIN system. Any business that is registered under the GST regime will obtain the unique identification GSTIN number. It is essential for getting a GSTIN number since it helps in managing all the activities under GST which is inclusive of GST filing returns, payment of taxes and claiming of the input tax credit. This is critical step in the GST tax regime as it facilitates the government in tracking the taxes paid and promotes the transparency of taxpayer transactions. GST number format 1. It consists of 15 digits. 2. The first two digits represent the state code. 3. The next 10 digits show the PAN number of the business. 4. the 13th digit indicates the number of firms registered under this GST. 5. The last two digits are a unique number assigned to the firm How to apply for GSTIN It is part of the GST Registration process. Once the application is approved by the GST officer, a unique GSTIN is allocated to the dealer. 1. You must first visit the official GST portal -Click on Register and then New Registration -Choose “Taxpayer” from the dropdown menu. 2. Enter business details, PAN, mobile number, and email in Part A of the REG-01 form. 3. Verify your contact details with the OTP you have received on your mobile number and email ID. 4. After confirmation, you will be given a 15-digit Temporary Reference Number (TRN). The TRN is valid for 15 days only. By using it, you can log in again and continue with Part B of REG-01, which necessitates the submission of documents and business details. 4. Log in using your TRN and OTP -Open the REG-01 application form-Fill in business details like legal name, trade name, and district and add promoter and partner details 5. Enter authorised signatory information and provide the principal place of business and other details like bank account details (account number, IFSC and MICR) along with upload all the documents as mentioned earlier 6. Complete Aadhaar e-KYC After submission, the system generates an ARN. ARN is sent to your registered mobile and email. 7. Track with ARN Using this ARN, the progress of your application could be checked at any time on the GST portal under the option “Track Application Status” under the “Services” tab. The approval of the application renders in the receipt of the GSTIN number which is a unique identification number that stands as the basis of the GST regime. I hope this answer was helpful. For any further queries please do not hesitate to contact us.