
How to Set-Off ITC
Manner of Utilising Input Tax Credit
Understanding Section 49, Section 49A & Rule 88A — the complete order of ITC utilisation for IGST, CGST, and SGST/UTGST, with a fully worked numerical example from the notes.
Watch Day 13 — How to Set-Off ITC
The Law — Sec 49 → Sec 49A + Rule 88A
GST law doesn’t allow you to use ITC in any random order — a strict pecking order is prescribed. This was originally governed by Section 49, but was significantly tightened by the CGST Amendment Act 2018, which introduced Section 49A and the accompanying Rule 88A.
Manner of Utilisation — The Set-Off Table
The table below shows which ITC can be used against which output tax liability — and in what order. The numbered circles (①②③…) match the order of utilisation as taught in the notes.
| ITC Available ↓ / Output Liability → | IGST Output | CGST Output | SGST / UTGST Output |
|---|---|---|---|
| ITC of IGST | ①First use | ②Second use (any pref.) | ②Second use (any pref.) |
| ③ Rule (Sec 49A): ITC of IGST shall be completely exhausted before using CGST / SGST ITC — पहले IGST का ITC पूरा Utilize करो | |||
| ITC of CGST | ⑤Allowed | ④First use | ✕Not Allowed |
| ITC of SGST / UTGST | ⑦Allowed | ✕Not Allowed | ⑥First use |
🚫 The Two Cross-Use Restrictions — Never Forget
- CGST ITC cannot be used to pay SGST/UTGST output liability
- SGST/UTGST ITC cannot be used to pay CGST output liability
- These two restrictions are absolute — no exceptions
- CGST and SGST are two separate government levies (Centre vs State) — hence cross-use is not permitted
The Rules — Simplified
Worked Example — Step-by-Step
This is the exact numerical example from the Day 13 notes. Work through each step to see how ITC is applied in the correct order.
| IGST (₹) | CGST (₹) | SGST/UT (₹) | Total (₹) | |
|---|---|---|---|---|
| Output Tax Liability | 1,000 | 300 | 300 | 1,600 |
| Input Tax Credit (ITC) | 1,300 | 200 | 200 | 1,700 |
| Particulars | IGST (₹) | CGST (₹) | SGST/UT (₹) |
|---|---|---|---|
| Output Liability Remaining | Nil | Nil | Nil |
| ITC Balance C/F (Excess ITC) | — | 100 | — |
Quick-Recall Summary — Exam Ready
🎯 ITC Set-Off Order — Master Points
- Sec 49A (CGST Amend. Act 2018): ITC of IGST must be completely exhausted first before using CGST or SGST/UTGST ITC
- IGST ITC: Use against IGST (①), then freely against CGST or SGST (②) — most flexible
- CGST ITC: Use against CGST (④) first, then IGST (⑤) — NEVER against SGST
- SGST/UTGST ITC: Use against SGST/UTGST (⑥) first, then IGST (⑦) — NEVER against CGST
- Two absolute bars: CGST ↔ SGST/UTGST cross-utilisation is strictly prohibited
- Excess ITC: Unused ITC after clearing all output liabilities is carried forward (C/F) to the next tax period
- Old Sec 49 replaced by Sec 49A + Rule 88A to ensure IGST is always used first
💡 Why This Rule Exists
IGST is a central tax collected on inter-state supplies. By mandating that IGST ITC is used first, the government ensures that the IGST pool (which is shared between Centre and States) is utilised before touching the ring-fenced CGST (Centre only) and SGST (State only) pools. This avoids distortions in Centre-State revenue sharing.