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What is application reference number (ARN) in GST

4 min read
Feb 11, 2026
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ARN full form in GST is Application Reference Number. It is generated when you submit your GST registration application. The ARN is crucial for businesses and taxpayers as it helps verify registration progress, check for approval or rejection, and stay compliant with GST regulations. It ensures a transparent and efficient GST registration process. Let's learn more about its significance.

What is application reference number?

The application reference number in GST is a 15-digit alphanumeric code generated upon successful submission of a GST application. It serves as an acknowledgement receipt, confirming that the application has been filed and is under processing. This number is crucial for businesses and individuals as it allows them to track their GST registration status on the GST portal.

Before obtaining a GSTIN (Goods and services tax identification number), the ARN acts as proof of submission. It ensures transparency, helps applicants verify approvals or rejections, and simplifies GST compliance by providing real-time updates on application progress.

Features of application reference number (ARN)

There are several helpful features of the application reference number in GST, which include:

  • Unique identifier: Every ARN is a 15-digit alphanumeric code that uniquely identifies a GST application.
  • Real-time tracking: Applicants can check their GST application status on the GST portal anytime.
  • Instant generation: The ARN is generated immediately after submitting the GST application.
  • Mandatory for verification: It acts as proof of submission and is essential for tracking application progress.
  • Accessible online: Available on the GST portal for easy retrieval and monitoring.
  • Applicable to various GST requests: ARN is generated not just for new registrations but also for amendments and cancellations.

Benefits of ARN (application reference number)

The application reference numbers comes with numerous benefits, such as:

  • Faster processing: Application reference number in GST allows businesses to track their application status instantly, reducing waiting time.
  • Eliminates confusion:Confirms application submission, preventing multiple reapplications or document resubmissions.
  • Proof of submission: Acts as an official acknowledgment, ensuring businesses have a valid record of their application.
  • Helps in compliance: Keeps taxpayers aligned with GST regulations by providing real-time updates.
  • Essential for GSTIN approval: The ARN is required for obtaining a GSTIN (Goods and Services Tax Identification Number).
  • Applicable for multiple requests: Application reference number in GST is generated for amendments, cancellations, and refund applications, making it a key reference for different processes.

Different types of ARN

The different types of ARN are:

1. New GST registration ARN – Issued when a business applies for fresh GST registration.

2. GST amendment ARN – Generated when modifications are made to an existing GST registration, such as changes in business details.

3. GST cancellation ARN– Assigned when a taxpayer requests cancellation of their GST registration.

Documents required for application reference number (ARN)

To obtain an application reference number in GST, the required documents include:

  • PAN card of the applicant or business
  • Aadhaar card for identity verification
  • Business registration certificate Partnership deed, Incorporation certificate, etc.)
  • Address proof (utility bill, rent agreement, or property tax receipt)
  • Bank account details (cancelled cheque, bank statement, or passbook)
  • Authorisation letter (if applying on behalf of a business or company)

Steps of generating GST ARN (application reference number)

Generating an application reference number in GST is a simple yet crucial process. Follow these steps to obtain your ARN:

1. Visit the GST portal – Go to and click on the ‘Services’ tab.

2. Select ‘New Registration’ – Under the ‘Registration’ section, choose ‘New Registration’ and proceed.

3. Enter basic details – Provide details such as business type, legal name (as per PAN), state, PAN number, email ID, and mobile number.

4. Verify OTP – Enter the OTP sent to your registered mobile number and email for verification.

5. Fill in an application form – Complete the GST REG-01 form with business details, partner/director details, principal place of business, and additional information.

6. Upload necessary documents– Submit identity proof (Aadhaar, PAN), business proof, address proof, and bank details.

7. Submit the application – After completing the form, submit it. The portal will generate an ARN instantly.

8. Track ARN status – Use the ARN to track your GST application status on the GST portal.

Conclusion

The application reference number in GST is an essential tool for tracking and managing GST registration processes. It enhances transparency, enables quick verification, and simplifies application monitoring. Whether you are applying for a new GST registration, making amendments, or requesting a refund, ARN helps streamline the process, ensuring a hassle-free experience.

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Also Read: What is a Tax Refund & how to claim it?

Frequently Asked Questions

Where to find ARN number in GST?

You can find your ARN on the GST portal after submitting your application. Simply log in, go to the ‘Track Application Status’ section, and enter your details to retrieve your ARN.

How can I get my ARN number?

Once you complete your GST registration application, the system will automatically generate an ARN. You will receive it via SMS and email.

Are ARN and GST numbers the same?

No, ARN is the tracking number for your application, while GSTIN is the unique registration number assigned to registered taxpayers.

What is the use of ARN?

he application reference number in GST helps businesses track their GST registration status, confirm application submission, and ensure compliance with GST regulations.

Disclaimer:This article is intended solely for informational purposes. The views expressed in this article are personal. Axis Bank and/or the author shall not be liable for any direct or indirect loss or liability incurred by the reader arising from reliance on the content herein. Readers are advised to consult a qualified financial advisor before making any financial decisions. Axis Bank does not endorse or guarantee the accuracy of any third-party content or links included in this article.

Tax and GST regulations are subject to change. The information in this article is based on applicable laws, rules, notifications, and interpretations in force as on the date of publication and may change due to amendments, judicial decisions, or regulatory updates.

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