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Published on: Mar 27, 2026

Understanding the GST Letter of Undertaking (LUT)

This document exempts taxpayers from paying the integrated tax (IGST), thus making it easier for the export of goods and services. If you are an exporter under the Goods and Services Tax (GST) regime in India, you can benefit from the GST Letter of Undertaking.

What is a GST Letter of Undertaking (LUT)?

A GST Letter of Undertaking is a document required under the GST laws in India, allowing exporters to ship their goods without paying IGST. LUT is mandated by GST law to ensure that the exported goods are not taxed twice – once in the exporting country and again at the destination. Businesses who export goods or services under bond or LUT are allowed this concession.

Eligibility Criteria for LUT

To utilize a GST LUT, businesses need to fulfill some specific criteria:

  • Registered under GST in India.
  • No previous prosecutions under GST laws or any tax laws including central excise, customs laws, etc.
  • Have completed the average annual turnover as prescribed by the GST council.

Steps for Obtaining a GST LUT

To obtain a GST LUT, follow these steps:

  1. Log into the GST portal with your valid credentials.
  2. Navigate to 'Services' > 'User Services' > 'Furnish Letter of Undertaking (LUT)'.
  3. Fill in the LUT form mentioned in GST RFD-11 with the necessary details.
  4. Affix digital or electronic signatures of an authorized signatory.
  5. Submit and wait for the confirmation message/mail from the portal confirming successful submission.

Ensure all information is accurate to avoid any processing delays or rejections.

Key Benefits of GST LUT

Several advantages accompany the use of GST LUT:

  • Reduction in Working Capital Blockage: Eliminating IGST on exports means funds are not tied up waiting for refunds.
  • Simplified Compliance: Provides a hassle-free mechanism for exporting goods under GST without tax complications.
  • On-demand, Easily Accessible Process: The online submission process makes it efficient and quick.

Recent Developments and Updates Regarding GST LUT

The GST council continually works to simplify and amend rules regarding LUT submissions. Some of the recent updates include:

  • Validity increased: The LUT is now valid for a full financial year, reducing the need for repeated submissions.
  • Amendments in procedures: Changes in handling bond versus LUT submissions have been made to streamline the process.
  • Online System Updates: The introduction of additional features on the GST portal helps with better user guidance and form submission tracking.

Common Challenges and Solutions

Despite the perks, businesses may face challenges such as:

  • Incorrect submission: Ensure the information is filled accurately. Check for typos and wrong entries before submission.
  • Technical errors on the portal: Keep updated browsers and clear cache for smoother operation on the GST portal.
  • Delayed processing: Proper documentation ready before submission accelerates the approval process.

Conclusion: 

  •  The GST Letter of Undertaking (LUT) is an important aspect of the procedure for exporters who want to reduce their taxes to the lowest level. The exporters can take advantage of the LUT by being aware of the details and the latest updates. Being updated and ready for any changes in the rules will help in following them and thus will be helpful in making the export business a success.

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