What is an ARN Number for GST Registration and Tracking

Registering for the Goods and Services Tax (GST) is a critical step for any business in India that crosses the specified turnover threshold. The entire registration process is online and is managed through the official GST portal. Once you successfully submit your application for registration, the portal generates a unique reference number to help you track its progress. This crucial identifier is the ARN. So, what is an ARN Number for GST registration and tracking? An ARN, or Application Reference Number, is a unique 15-digit code generated by the GST portal upon the successful submission of a GST registration application. For any new business owner in 2026, the ARN is the key to monitoring the status of their application, from submission to the final generation of the GSTIN.

What is an Application Reference Number (ARN)? A Simple Definition

An Application Reference Number (ARN) is a proof of submission for your GST registration application. It confirms that your application, along with all the required documents and details, has been successfully submitted to the GST system. This 15-digit number is sent to your registered email address and mobile number. It is not your final GST registration number (GSTIN). Instead, it acts as a temporary tracking ID that you can use to check the status of your application and to communicate with the GST authorities regarding your registration. Without an ARN, you cannot track the progress of your application.

How is the ARN Generated? The Process

The ARN is generated at a specific stage in the GST registration process. Here’s how it works:

  1. Part-A of the Application: You start by filling out Part-A of the GST REG-01 form on the GST portal, where you provide your PAN, mobile number, and email address. Upon verification, a Temporary Reference Number (TRN) is generated.
  2. Part-B of the Application: Using the TRN, you log back in and fill out Part-B of the form, where you provide all your business details and upload the necessary documents.
  3. Successful Submission: After you have filled in all the details and submitted the form with digital authentication (either via DSC, EVC, or e-Sign), the portal validates the information.
  4. ARN Generation: Upon successful validation, the GST portal generates the 15-digit ARN and sends it to your registered email and mobile number. This marks the formal submission of your application.

How to Track Your GST Registration Status Using the ARN

Once you have your ARN, you can easily track the status of your application online. The process is transparent and simple. Here’s a step-by-step guide for 2026:

Step Action
1. Visit the GST Portal Go to the official GST website: www.gst.gov.in.
2. Navigate to ‘Track Application Status’ On the homepage, go to the ‘Services’ tab. In the dropdown menu, select ‘Registration’ and then click on ‘Track Application Status’.
3. Select ‘ARN’ The tracking page will give you an option to track using either the ARN or the SRN. Select the ‘ARN’ radio button.
4. Enter Your ARN Enter the 15-digit ARN that you received in your email and mobile number.
5. Enter Captcha and Search Enter the captcha code shown on the screen and click on the ‘Search’ button.
6. View the Status The portal will display the current status of your GST registration application.

Understanding the Different Statuses of Your Application

When you track your application using the ARN, you might see one of the following statuses:

  • Pending for Verification: This means your application has been submitted and is waiting to be examined by a GST officer.
  • Validation Against Error: The system is checking the details against other government databases (like the PAN database).
  • Pending for Clarification: The GST officer has reviewed your application and has found some discrepancy or requires more information. You will receive a notice and will need to provide a clarification within the specified time.
  • Approved: Congratulations! Your application has been approved. Your GSTIN and registration certificate will be generated and sent to you.
  • Rejected: Your application has been rejected. This could be due to incorrect information or failure to provide a satisfactory clarification to a notice.

The ARN is a crucial identifier for businesses, just as an Udyam Registration Certificate is for MSMEs or an Importer Exporter Code (IEC) is for international trade.

Frequently Asked Questions (FAQs)

1. Is the ARN the same as my GSTIN?

No, they are completely different. The ARN is a temporary reference number to track your registration application. The GSTIN (Goods and Services Tax Identification Number) is the final, unique 15-digit registration number that is issued to you once your application is approved. The GSTIN is your permanent tax identity number.

2. How long does it take to get a GSTIN after the ARN is generated?

If all the information and documents in your application are correct, the GST officer is required to approve the registration within 3 to 7 working days. If the officer raises a query, the timeline will depend on how quickly you provide the clarification.

3. What is the validity of an ARN?

The ARN is valid until your GST registration application is processed and a final decision (approved or rejected) is made. Once your GSTIN is generated, the ARN has served its purpose.

4. I have not received my ARN after submitting the application. What should I do?

First, check the spam or junk folder of your registered email ID. If you still cannot find it, you can try tracking the status using the TRN (Temporary Reference Number) on the GST portal. If there seems to be a technical issue, you can raise a grievance on the GST self-service portal.

5. Can I conduct business using the ARN while my GSTIN is pending?

No, you cannot issue GST-compliant invoices or collect GST from your customers using the ARN. You must wait until your application is approved and you have been allotted a valid GSTIN to start conducting your business under the GST regime.