Inverted Duty Structure — GST Refund Services

Expert GST Refund Services for Businesses with Inverted Duty Structure (IDS)

An inverted duty structure under GST arises when the GST rate on inputs (purchases) is higher than the GST rate on the output (final product or service). This creates an accumulation of input tax credit (ITC) that cannot be fully utilised against output tax liability — resulting in a cash flow burden for the business. Businesses in such situations are entitled to a refund of the accumulated ITC under Section 54(3) of the CGST Act. Caselaadvisors provides expert inverted duty structure refund advisory and filing services — helping businesses recover trapped ITC efficiently.

What is an Inverted Duty Structure?

An inverted duty structure occurs when input GST rates exceed output GST rates — causing ITC to accumulate because output tax liability is insufficient to absorb all the ITC available. For example, a manufacturer purchasing inputs at 18% GST but selling the final product at 5% GST will have excess ITC building up every month. Under Rule 89(5) of the CGST Rules, such businesses can claim a refund of the net ITC (ITC on inputs used in making the taxable supply minus the ITC utilised against output tax) subject to the specific formula provided. Businesses in sectors like textile, footwear, marine products, and certain food products commonly face inverted duty structures.

Higher input GST rate than output GST rate creates ITC accumulation
Refund available under Section 54(3) of CGST Act for net excess ITC
Refund calculated per Rule 89(5) formula — based on turnover ratio
ITC on capital goods and input services excluded from IDS refund
Monthly or quarterly refund application possible

Our Services

IDS Eligibility Assessment

Assessing whether the specific business situation qualifies for inverted duty structure refund under Section 54(3) and Rule 89(5) — including analysis of input vs output GST rates and any notifications blocking IDS refund.

Refund Amount Calculation

Accurate calculation of the refund amount under the Rule 89(5) formula — considering net ITC eligible for refund, turnover of inverted rated supplies, and adjustment for ITC utilised against output tax.

RFD-01 Filing

Preparation and filing of monthly or quarterly GST RFD-01 application for IDS refund — with all required statements (Statement 1A), ITC schedules, and supporting documentation.

Block Credit Analysis

Identifying and excluding blocked credits (Section 17(5)) from the IDS refund calculation — ensuring the refund amount claimed is accurate and defensible.

Refund Application Tracking

Follow-up on IDS refund applications — responding to deficiency memos (RFD-03), tracking processing by GST officer, and ensuring timely issuance of provisional refund order (RFD-04) and final order (RFD-06).

Litigation Support

Representation and support if IDS refund is rejected or reduced by the GST officer — drafting appeal submissions to GST Appellate Authority, GSTAT, or High Court.