Published Jun 30, 2025 3 Min Read

What Is SEZ Under GST? Supply Treatment, LUT, Bond, IGST and Compliance Guide

 
 

A Special Economic Zone (SEZ) is a specifically demarcated area within India that offers businesses economic advantages such as tax exemptions, regulatory ease, and infrastructure support to promote trade, investment, and job creation.

Under the GST regime, SEZs are treated as territories outside the customs territory of India for supply purposes. Supplies made to or by SEZ units or developers are considered either zero-rated exports or exempt from GST, depending on the nature of the transaction. Check your business loan eligibility if you're planning to expand your business presence in an SEZ.

Treatment of supply to Special Economic Zone (SEZ) under GST

Here’s how supply to SEZs is treated under GST law:

  • Zero-Rated Supply: Supplies made to SEZ developers or units are considered exports and thus zero-rated under Section 16 of the IGST Act.
  • No GST Applicable: GST is not charged on such supplies if made under a valid Letter of Undertaking (LUT) or Bond.
  • Eligible Input Tax Credit (ITC): Suppliers can claim a refund of ITC on inputs or input services used for such supplies.
  • Deemed Export Benefits: In some cases, the supply may qualify for deemed export benefits if conditions are met.
  • Recipient Must Be Authorised: The recipient in SEZ must be an authorised SEZ developer or unit to avail of tax exemptions.

Options for supplying to SEZ: LUT, bond, or IGST payment

Mode of supplyGST impactEligibility/Condition
Supply under LUTNo GST charged; supplier can claim a refund of accumulated ITCLUT must be filed with GST authorities
Supply under BondSimilar to LUT; no GST charged; refund of ITC availableBond needs to be furnished with a security if LUT is not filed
Supply with IGST PaymentGST is paid on supply; supplier can claim refund of IGST paidMust report and file returns properly for refund processing

Documentation and compliance for supply to SEZ

To ensure compliance while supplying to SEZ units or developers, businesses must follow these key steps:

  • Valid SEZ Registration: Ensure the recipient is a recognised SEZ unit or developer.
  • Letter of Undertaking (LUT) or Bond: Submit an LUT or Bond to avoid IGST payment.
  • Tax Invoice: Mention “Supply meant for SEZ Unit/Developer under LUT/Bond without payment of tax” on the invoice.
  • Bill of Export (for goods): Treated as export; hence, shipping documents and export declarations must be filed.
  • Filing of GSTR-1 and GSTR-3B: Declare SEZ supplies accurately in GST returns to claim ITC refunds or IGST refunds.
  • Supporting Documents: Maintain acknowledgments from SEZ recipients, delivery challans, and LUT/Bond approvals for audit purposes.

Conclusion

Understanding GST treatment for supplies to Special Economic Zones helps businesses remain compliant while maximising tax benefits. By choosing the right supply method—whether under LUT, Bond, or IGST—suppliers can make zero-rated supplies and claim timely refunds.

If you’re planning to expand your operations to an SEZ or enhance export capacity, consider applying for a business loan to scale efficiently and meet demand. Check your pre-approved business loan offer now to explore financing options tailored to your business needs.

Frequently Asked Questions

What is the definition of a Special Economic Zone (SEZ) under GST?

A Special Economic Zone (SEZ) is a designated area in India that offers tax exemptions, regulatory relaxations, and infrastructure support to promote business activities like trade and investment. Under GST, SEZs are treated as areas outside the customs territory of India for supply purposes.

How is supply to an SEZ unit treated under GST?

Supplies made to SEZ units or developers are considered zero-rated under Section 16 of the IGST Act. This means no GST is charged if the supply is made under an LUT or Bond. The supplier can also claim input tax credit or a refund if GST is paid.

What documentation is required for supplying to SEZ?

Key documents include a valid SEZ registration of the recipient, a Letter of Undertaking (LUT) or Bond, tax invoice with the correct declaration, a bill of export (for goods), and proper GST return filings like GSTR-1 and GSTR-3B. Supporting documents such as delivery challans and acknowledgments are also required.

Are e-way bills mandatory for SEZ transactions?

While not explicitly mentioned in the content, e-way bills are generally mandatory for transporting goods over certain distances or values, including to SEZs. It’s advisable to generate e-way bills as part of SEZ supply compliance, especially for inter-state movement.

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