The law
IGST Act 2017, Sec 16(3)(a)
Zero-rated supply under bond or LUT without IGST, with refund of unutilised ITCSource
CGST Act 2017, Sec 54(3) and Rule 89
Refund of unutilised ITC on zero-rated supplies made without payment of tax, applied for in RFD-01 with a statement of invoicesSource
CGST Rules 2017, Rule 89(4)
Refund = (turnover of zero-rated supply × net ITC) ÷ adjusted total turnover; export of goods value capped at 1.5 times domestic value of like goods (Notification 16/2020-CT)Source
CGST Act 2017, Sec 54(1), relevant date for services
Two-year limit; for export of services the relevant date is the later of invoice date and receipt of paymentSource
CGST Rules 2017, Rule 91(2) as amended by Notification 13/2025-CT (from 1 October 2025) and Instruction 06/2025-GST
90 percent provisional refund in RFD-04 within 7 days of acknowledgement on system risk assessment; officer may withhold in high-risk cases with reasonsSource
Notification 14/2025-CT (17 September 2025)
No provisional refund to persons without Aadhaar authentication under Rule 10B, and to suppliers of areca nuts, pan masala, tobacco and essential oilsSource
CBIC Circular 37/11/2018-GST
BRC or FIRC needed for services but not goods; one deficiency memo per application; claims can club periods but not across financial years; lower of invoice and shipping bill value sanctionedSource
CGST Act 2017, Sec 54(7) and Sec 56
Final order within 60 days of a complete application; interest at 6 percent if refund is delayed beyond thatSource
Government fee
No government fee for filing RFD-01. Minimum refund is ₹1,000 per head for credit ledger refunds. Source: https://icaiahmedabad.com/pdf/Study-Presentation/Mihir-Modi_GST-Refund-Practical-Issues_240522.pdf
Late fee or penalty
No late fee, but claims after 2 years from the relevant date are time barred. Interest at 6 percent is payable by the department if the refund is not paid within 60 days. Source: https://caclub.in/refund-of-unutilized-itc-under-gst-process-timelines-and-key-aspects/