Many businesses assume that an accumulated balance in their electronic credit ledger can offset all GST liabilities arising in a tax period. When accountants review monthly inward supplies containing legal fees or security services, they frequently wonder whether the resulting reverse charge dues can absorb surplus ITC. Attempting to clear reverse charge dues with accumulated credit violates core GST provisions and triggers immediate audit notices.
Why the law bars ITC utilisation for RCM
The statutory restriction rests on two interconnected definitions in the Central Goods and Services Tax Act. Under Section 49(4) of the CGST Act, amounts sitting in the electronic credit ledger may be used strictly for making payment towards output tax. The term output tax is defined under Section 2(82) of the CGST Act as the tax chargeable on taxable supplies of goods or services made by a person, but explicitly excludes tax payable by him on a reverse charge basis.
Because RCM liability is paid by the recipient on inward supplies rather than outward supplies, it does not constitute output tax in the hands of the payer. Consequently, the electronic credit ledger cannot legally touch this liability. The payment must be deposited into the electronic cash ledger under Section 49(1) and debited while filing the return.
Official procedural guidance on the GST portal confirms this mechanism. The GSTN GSTR-3B manual on payment of tax specifies that reverse charge liability in Table 6.1 can be paid only from the cash ledger and cannot be adjusted against electronic credit ledger balances.
Common mistake: Treating reverse charge liability as part of regular outward liability. Offsetting RCM dues against credit ledger balances creates an unpaid statutory cash liability. Tax authorities can issue scrutiny notices in Form GST ASMT-10 under Rule 99(1) of the CGST Rules pursuant to scrutiny under Section 61, demanding cash settlement with interest under Section 50.
Claiming ITC in the same month
While RCM demands payment in cash, it does not represent a permanent cash leakage for eligible business expenses. Inward supplies subject to reverse charge qualify as input tax under Section 2(62) of the CGST Act. Under Section 16(1), a registered person is entitled to take input tax credit on goods or services used in the course or furtherance of business.
You do not need to wait for the subsequent tax period to claim this credit. In the very same GSTR-3B return in which you discharge the RCM liability in cash, you report the eligible credit in the ITC table. For detailed field-level matching between auto-populated vendor entries and inward accounts, see our guide on RCM invoices in GSTR-2B Table 4 matching.
According to the GSTN GSTR-3B return guide, inward RCM transactions are captured across two distinct tables:
- Table 3.1(d): Inward supplies liable to reverse charge. This table establishes your gross reverse charge tax liability, which routes directly to the cash payment column in Table 6.1.
- Table 4(A)(3): Inward supplies liable to reverse charge (relating to eligible ITC). This table credits the exact same tax amount to your electronic credit ledger, making it instantly available to offset outward tax liabilities.
Blocked credit restriction: Paying RCM in cash does not grant an automatic right to claim credit if the expense falls under statutory blocks. For example, under Section 17(5)(d) of the CGST Act, goods or services received for construction of immovable property on own account are blocked from credit. If you pay RCM on inward services related to own-account civil construction, the cash must be paid, but credit cannot be availed.
Worked example: cash outflow and credit offset
Consider Alpha Logistics Private Limited, an operating enterprise filing monthly GSTR-3B returns. During October 2026, Alpha Logistics receives legal consultancy services worth ₹1,00,000 from an advocate firm. Under Notification 13/2017-Central Tax (Rate) Entry 2, legal services supplied by an advocate to a business entity attract reverse charge at 18% (9% CGST and 9% SGST).
Alpha Logistics has an existing electronic credit ledger balance of ₹50,000 and an outward tax liability on sales of ₹70,000. Here is how the transactions flow through GSTR-3B:
| Transaction component | CGST (₹) | SGST (₹) | Total (₹) | Settlement mode |
|---|---|---|---|---|
| Outward taxable sales liability [Table 3.1(a)] | 35,000 | 35,000 | 70,000 | Eligible for credit ledger debit |
| RCM inward legal services liability [Table 3.1(d)] | 9,000 | 9,000 | 18,000 | Must be paid in cash [Table 6.1] |
| Opening ITC balance in credit ledger | 25,000 | 25,000 | 50,000 | Available in ledger |
| Fresh RCM ITC claimed in same return [Table 4(A)(3)] | 9,000 | 9,000 | 18,000 | Credited to ledger |
| Total available ITC for outward tax offset | 34,000 | 34,000 | 68,000 | Credit ledger utilised against outward tax |
| Net cash required for outward sales [₹70,000 minus ₹68,000] | 1,000 | 1,000 | 2,000 | Paid in cash [Table 6.1] |
| Total cash deposited [RCM ₹18,000 plus balance outward ₹2,000] | 10,000 | 10,000 | 20,000 | Electronic cash ledger debit |
In this worked case, Alpha Logistics pays ₹18,000 in cash for the reverse charge liability. Because the ₹18,000 credit is booked in Table 4(A)(3) in the same return, total available ITC increases from ₹50,000 to ₹68,000. As a result, outward tax cash outflow drops from ₹20,000 to just ₹2,000. The net cash burden across the business remains exactly ₹20,000.
Workflow to report RCM correctly in GSTR-3B
Follow these practical steps on the portal to avoid reconciliation mismatches:
- Log in to the GST Portal and navigate to Services, Returns, Returns Dashboard, and select the tax period.
- Click Prepare Online on the GSTR-3B tile.
- Enter the taxable value and tax amounts for reverse charge inward supplies under tile 3.1 Tax on outward and reverse charge inward supplies, specifically row 3.1(d).
- Enter the identical eligible tax amounts under tile 4 Eligible ITC, specifically row 4(A)(3). Ensure none of the inward purchases violate blocked credit rules under Section 17(5).
- Proceed to tile 6.1 Payment of tax. The portal will automatically restrict offset of Table 3.1(d) liabilities to the cash ledger. Create a challan for any shortfall and complete the filing.
Frequently asked questions
Can reverse charge liability be discharged using the electronic credit ledger?
No. Under Section 49(4) read with Section 2(82) of the CGST Act, the electronic credit ledger can only be used to pay output tax. Output tax specifically excludes reverse charge liabilities, so you must pay RCM liability in cash through the electronic cash ledger.
Can I claim input tax credit for RCM in the same month it is paid?
Yes. When you declare and pay RCM liability in Table 3.1(d) of GSTR-3B, you can claim the eligible ITC in Table 4(A)(3) of the very same GSTR-3B return, provided the underlying purchase qualifies for credit under Section 16.
What happens if a taxpayer pays RCM liability using input tax credit?
The tax authorities can issue a scrutiny notice in Form GST ASMT-10 under Section 61 and Rule 99. The taxpayer will be directed to pay the RCM liability in cash along with mandatory interest under Section 50.
Check your reverse charge reconciliation
Reconcile inward RCM supplier invoices against auto-drafted GSTR-2B entries and purchase books in seconds. Your GSTR-2B and purchase register files are read in your browser and never uploaded to any server.
Last checked: 24 October 2026. Sources: CBIC Tax Information Section 49, GSTN GSTR-3B Return Manual, GST Council Notification 13/2017-CT (Rate).