Introduction

The 56th GST Council Meeting held on 3rd September 2025 brought significant reforms. Effective 22nd September 2025, India moves to a simplified GST structure: 5% (merit rate), 18% (standard rate), and 40% (demerit rate). Alongside, a wide range of goods and services have been moved to the exempt category, attracting a nil GST rate (0%).

While this is consumer-friendly, for businesses—manufacturers, traders, distributors, and service providers—such exemption leads to a compliance challenge.

Why? Because under the law, once supplies become wholly exempt, businesses cannot continue to hold onto the Input Tax Credit (ITC) availed earlier. Instead, they must reverse ITC under Section 18(4) of the CGST Act, 2017, read with the Rule 44 of the CGST Rules, 2017.

This blog explains the legal provisions, Rule 44 calculation framework, and practical compliance steps applicable to all sectors, with illustrations.

Section 18(4): The Legal Trigger

Section 18(4) of the CGST Act provides:

Where a registered person who has availed input tax credit opts to pay tax under section 10 or, where the goods or services or both supplied by him become wholly exempt, he shall pay an amount, by way of debit in the electronic credit ledger or electronic cash ledger, equivalent to the credit of input tax in respect of inputs held in stock, inputs contained in semi-finished or finished goods, and on capital goods (reduced by prescribed percentage points).

In simpler words:

• • If your output supply becomes wholly exempt, you must reverse ITC on inputs, WIP, finished goods, and capital goods used for such supply,
  • Any balance ITC after reversal lapses and cannot be used further.

This provision ensures parity: ITC benefit is available only for taxable supplies, not for exempt sales.

Rule 44: The Roadmap for ITC Reversal

While Section 18(4) establishes the liability, Rule 44 prescribes the methodology.

1. Inputs in Stock

• • Reverse ITC based on the purchase invoices of stock lying unused.
  • Example: You purchased goods worth ₹10,00,000 with GST of ₹1,20,000. If 25% stock remains unused, reversal = 25% × 1,20,000 = ₹30,000.

2. Inputs in Semi-Finished Goods (WIP)

• • Identify input quantities an embedded in WIP and calculate ITC proportionately.
  • Example: 1,000 WIP units contain 200 kg of input on which ITC was ₹2,000/kg. Reversal = 200 × 2,000 = ₹4,00,000.

3. Inputs in Finished Goods

• • Finished stock also contains inputs on which ITC was claimed.
  • Example: 50,000 units ready for sale, each with embedded ITC of ₹2. Reversal = 50,000 × 2 = ₹1,00,000.

4. Capital Goods

• • Reverse ITC proportionate to remaining useful life (assumed 5 years = 60 months).
  • Example: A machine purchased with ITC of ₹6,00,000, used for 36 months. Remaining = 24 months. Reversal = (24/60) × 6,00,000 = ₹2,40,000.

5. Missing Invoices

• • If purchase invoices are unavailable, reversal must be calculated based on market value on the exemption date, certified by a CA/CMA.

6. Separate Tax Components

• • Reversal to be computed separately for CGST, SGST, and IGST.

Impact Across Different Sectors

(a) Manufacturers

• • Must reverse ITC on raw materials, WIP, finished goods, and capital machinery.
  • Detailed Bill of Materials (BOM) and corresponding Tax Invoice mapping is critical.
  • Scrutiny by officers is common if calculations appear arbitrary.

(b) Traders & Wholesalers

• • Simpler reversal restricted to stock-in-trade.
  • Entirely based on purchase invoices of unsold goods as on the exemption date.

(c) Retailers

• • More minor ITC reversal amounts, but compliance remains mandatory.
  • Missing invoices may force market value certification.

(d) Service Providers

• • If services become wholly exempt, reversal applies to  consumables and capital goods used for service delivery.

Worked-Out Composite Example

Let’s say XYZ Enterprises has the following as on 21st September 2025:

• • Raw materials: Stock ₹40,00,000 with ITC ₹4,80,000. 25% unused → ₹1,20,000 reversal.
  • WIP: Embedded ITC worth ₹2,40,000.
  • Finished goods: 50,000 units with ITC of ₹10 per unit → ₹5,00,000 reversal.
  • Machinery: ITC ₹12,00,000, used for 24 months, remaining 36 months. Reversal = (36/60) × 12,00,000 = ₹7,20,000.

Total reversal = ₹15,80,000.

This must be paid via Form ITC-03 by debiting the ITC balance and/or paying in cash. Any balance ITC left will lapse.

Common Compliance Queries

1. Do we include transport, rent, or labour costs in reversal?
   No. Rule 44 covers only goods and capital goods. Input services are not “held in stock”. Their ITC becomes unusable once the output is exempt.
2. What if part of the business is still taxable?
   Then Section 18(4) applies only to the exempted portion. Apportionment under Section 17(2) & Rule 42 applies.
3. Is reversal needed for rate reduction (e.g., 18% → 5%)?
   No. Reversal applies only if supplies become wholly exempt (0%).

Key Steps Before 22nd September 2025

1. Conduct a stock count of raw, WIP, and finished goods.
2. Trace purchase invoices and compute ITC reversal.
3. For capital goods, apply the 5-year formula.
4. Where invoices are missing, use market value + CA certification.
5. File Form ITC-03 within the due time.
6. Retain ITC-03, ARN, CA certificate, and working sheets for 8 years.

Compliance Challenges

• • Data gaps: Missing invoices lead to valuation disputes.
  • Complex WIP calculations: Especially for manufacturers with multi-stage processes.
  • Cash flow pressure: Large reversals may require cash payment if the ITC ledger is insufficient.
  • Scrutiny by officers: Methodology must be transparent and backed by records.

Conclusion

The GST Council’s decision to exempt many goods and services from 22nd September 2025 is progressive for consumers but compliance-heavy for businesses. Section 18(4) and Rule 44 safeguard the GST system by ensuring ITC remains tied only to taxable supplies.

For businesses, this means:

• Accurate stock verification,
• Careful application of Rule 44,
• Prompt filing of ITC-03, and
• Retention of robust documentation.

👉 At GST DOST, we help businesses navigate such GST transitions seamlessly. If your supplies are moving into exemption, don’t delay—review your ITC position today, prepare ITC-03, and ensure you remain fully compliant while protecting your business from disputes.

You can call us at 9088882000 or email us at support@gstdost.com