Tag: Compliance

Updated Return (ITR-U): Who Can File, Time Limits and Additional Tax

Everyone overlooks something occasionally — an interest credit, a small capital gain, a freelance receipt. The updated return ITR-U lets you correct such omissions voluntarily, years after the normal deadline, by paying the tax with an additional amount instead of facing a notice and penalty later.

Since 2025, the window to file has been 48 months, and the Finance Act, 2026 made the facility more flexible still. This guide explains who can use it, the time limits and additional tax, what it cannot be used for, and a simple step-by-step process.

Key takeaways

An updated return can be filed within 48 months from the end of the relevant assessment year (under the new law, from the end of the financial year following the tax year).
It is meant for reporting more income, not for claiming a refund or a bigger loss.
The additional tax is 25%, 50%, 60% or 70% of the tax and interest due, depending on how late you file.
Recent amendments allow an updated return even after a reassessment notice (with a further 10 percentage points of additional tax) and in cases where the loss is being reduced.
All tax, interest and additional tax must be paid before filing ITR-U.

Who can file an updated return ITR-U

You can file an updated return whether or not you filed an original return, a belated return or a revised return for that year. Common situations include:

Income omitted from the original return, such as bank interest, dividends or rent.
Income taxed at the wrong rate or under the wrong head.
A wrong deduction or exemption claimed that now needs to be withdrawn.
No return filed at all even though income was taxable.
A mismatch spotted later in the Annual Information Statement (AIS).

Our AIS and TIS reconciliation guide shows how to spot such gaps before they turn into notices.

Time limits and additional tax

The additional tax is calculated on the aggregate of the tax and interest payable on the updated return.

Updated return filed	Additional tax	Illustrative last date for FY 2025-26 (AY 2026-27)
Within 12 months of end of AY	25%	31 March 2028
After 12, within 24 months	50%	31 March 2029
After 24, within 36 months	60%	31 March 2030
After 36, within 48 months	70%	31 March 2031

The earlier you correct an omission, the lower the cost. Waiting simply adds interest and moves you into a higher slab of additional tax.

A simple illustration

Suppose you missed ₹2,00,000 of fixed deposit interest in your return for FY 2025-26 and you are in the 30% slab under the old regime. Tax plus cess on that income is about ₹62,400. Assume interest for late payment works out to ₹12,000 (the actual figure depends on dates).

Tax and interest: ₹74,400
Additional tax at 25% (filed within the first 12 months): ₹18,600
Total payable: ₹93,000

The same omission detected by the department could lead to reassessment and a penalty of 50% or even 200% of the tax on under-reported income — so voluntary correction is usually the more economical route.

When an updated return cannot be filed

The facility is for honest corrections, not for reopening every year. Broadly, an updated return cannot be used to:

Declare a loss or increase a loss already claimed (though reducing a loss is now permitted).
Reduce total tax liability.
Create or increase a refund.
File a second updated return for the same year.

It is also generally unavailable where search or survey action has been initiated, or where information has been received under specified laws or treaties. Before filing, confirm that your year is not affected by such proceedings.

Recent changes: reassessment notices and loss cases

Two amendments through the Finance Act, 2026 are worth noting:

After a reassessment notice: a taxpayer who receives a reassessment notice can file an updated return within the time allowed in that notice. The additional tax goes up by a further 10 percentage points (for example, 35% instead of 25%). Income offered this way is protected from penalty, though the reassessment proceedings themselves continue.
Reducing a loss: where the original return claimed a larger loss than was correct, an updated return can now be filed to reduce it.

If you have already received a notice, read our guide on income tax reassessment notices before deciding on the approach, because the timing and wording of your response matter.

Step-by-step process to file ITR-U

Identify the omission and compute the correct total income for the year.
Compute tax and interest as if filing now, using the rules applicable to that year.
Add the additional tax at the applicable rate.
Pay the full amount through the e-Pay Tax facility and note the challan details.
Prepare the updated return in the prescribed ITR-U form along with the regular ITR form for the year.
State the reason for updating from the options provided (for example, income not reported correctly or wrong rate of tax).
Submit and e-verify within the time allowed, and keep your working papers.

Practical tips

Reconcile AIS, TIS and Form 26AS (Form 168 under the new law) for each open year once a year.
Keep proofs of the income being added and the computation used.
If TDS was deducted on the omitted income, claim the credit correctly — it reduces the tax, not the additional tax base beyond what the rules allow.
Do not use ITR-U to change regimes or claim new deductions; it is a one-way correction.
Consider the penalty angle: our note on penalty under section 270A and immunity explains why early correction helps.

Frequently asked questions

Can I file ITR-U if I never filed an original return?

Yes. An updated return can be filed even if no original return was filed, provided it results in tax payable and none of the exclusions apply.

Is there a late fee for an updated return?

No separate fee is prescribed for filing ITR-U itself. However, the regular late fee and interest applicable to that year must be included in the computation.

Can I claim a refund through an updated return?

No. An updated return cannot result in or increase a refund. If you are owed money, other remedies such as rectification or a revised return (within its time) are more suitable.

How many times can I file an updated return for a year?

Only once for each year. Make sure the updated return captures all corrections in one go.

If you have spotted an omission in an earlier return, our team can help you work out the numbers and file the updated return smoothly.

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This article is general information based on the law as of September 2026, and is not legal or tax advice. Please check the facts of your own case with a professional before acting.

November 8, 2026

GST Interest and Late Fees: Section 50 and Section 47 Explained with Examples

Paying GST a few days late is common, especially when customer receipts arrive after the due date. The cost of that delay comes in two parts: GST interest under section 50 of the CGST Act, which applies to tax paid late, and a late fee under section 47, which applies to returns filed late. The two work quite differently, and knowing how each is calculated makes it much easier to plan cash flow and keep these costs small.

This guide explains both provisions in plain language, with worked examples, the current late fee caps for the main returns and a short checklist for finance teams.

Key takeaways

Interest under section 50(1) is 18% per annum, calculated on the tax paid in cash for the period of delay, not on the gross liability.
Interest on input tax credit (ITC) wrongly availed applies only when that credit is also utilised, and is charged at 18% per annum under the notified rate.
The late fee under section 47 is a fixed daily amount (currently ₹50 per day, or ₹20 for nil returns, for GSTR-1 and GSTR-3B), with turnover-based caps.
GSTR-9 has its own late fee slabs, capped as a percentage of turnover in the State or Union territory.
Interest and late fee are both payable in cash; they cannot be set off against ITC.

How GST interest under section 50 works

Section 50 has two main limbs.

Section 50(1) — delayed payment of tax. When tax is paid after the due date, interest is payable at the notified rate of 18% per annum from the day after the due date until the day of payment. A proviso, inserted with effect from 1 July 2017, limits this interest to the portion of tax paid through the electronic cash ledger when the return for that period is filed late. The exception is where the return is filed only after proceedings under section 73 or 74 have started; in that case interest can be computed on the full amount.

In practice, if your GSTR-3B liability is largely covered by ITC, the interest cost of a short delay is modest because only the cash portion attracts it.

Section 50(3) — ITC wrongly availed and utilised. The Act allows a rate of up to 24%, but the notified rate is 18% per annum. Following the amendment made effective from 1 July 2017, interest applies only where the ineligible credit has been both availed and utilised. Rule 88B of the CGST Rules explains when credit is treated as utilised: broadly, when the balance in the electronic credit ledger falls below the amount of wrongly availed ITC, to the extent of that shortfall. So credit that simply sat in the ledger unused and was later reversed usually does not attract interest.

Worked example: GST interest on delayed GSTR-3B

Assume a monthly filer has the following for August 2026 (GSTR-3B due 20 September 2026):

Item	Amount
Output tax liability	₹2,00,000
ITC available and used	₹1,40,000
Net tax paid in cash	₹60,000
Actual filing and payment date	10 October 2026
Days of delay	20

Interest under section 50(1) = ₹60,000 × 18% × 20 / 365 = about ₹592.

If interest had wrongly been computed on the gross ₹2,00,000, it would come to roughly ₹1,973. This is why checking the cash-ledger basis is worthwhile before paying any interest demand.

Example: wrongly availed ITC

Suppose ₹50,000 of ineligible ITC was claimed in June. The credit ledger balance stayed above ₹50,000 until 15 August, when it fell to ₹20,000. Under Rule 88B, ₹30,000 is treated as utilised from that date. If the credit is reversed on 14 September, interest runs on ₹30,000 for 30 days: ₹30,000 × 18% × 30 / 365 = about ₹444. The ₹20,000 that stayed in the ledger does not attract interest.

Late fee under section 47

Section 47 prescribes a late fee for returns filed after the due date. The Act sets ₹100 per day under CGST (and a matching amount under the State Act), but the Government has notified reduced amounts and maximum caps. For GSTR-1 and GSTR-3B, the current position for tax periods from June 2021 onwards is:

Category	Late fee per day (CGST + SGST)	Maximum per return
Nil return	₹20	₹500
Turnover up to ₹1.5 crore	₹50	₹2,000
Turnover ₹1.5 crore to ₹5 crore	₹50	₹5,000
Turnover above ₹5 crore	₹50	₹10,000

Turnover here refers to aggregate turnover in the preceding financial year. For the example above, a 20-day delay would attract a late fee of 20 × ₹50 = ₹1,000, well within the cap.

Late fee for GSTR-9

For the annual return, the notified daily late fee is ₹50 for turnover up to ₹5 crore, ₹100 for turnover between ₹5 crore and ₹20 crore, and ₹200 above ₹20 crore (CGST and SGST combined). The maximum is 0.04% of turnover in the State or Union territory for the first two slabs and 0.5% for the highest slab. Since the annual return is due by 31 December, it helps to start the reconciliation early; our GSTR-9 and GSTR-9C checklist covers the preparation steps.

How interest and late fee are paid

The GST portal computes the late fee automatically when a return is filed after its due date, and it must be paid before the return can be filed.
For GSTR-3B, the portal shows system-computed interest for the previous period in the next return. You can accept it or revise it with reasons, but the figure should be accurate and supportable.
Both amounts are payable only through the electronic cash ledger.
Interest or tax found short later can be paid voluntarily through Form DRC-03, which often avoids a notice. Our guide on DRC-03 voluntary payment explains the process.

Practical checklist to keep costs low

File even when you cannot pay in full. Under GST, a return generally cannot be filed without paying the tax shown, so plan cash for the 20th of each month (or the relevant QRMP date).
File nil returns on time. Nil returns carry a small fee, but it adds up across months and GSTINs.
Keep ITC eligibility checks monthly. Reversing an ineligible credit before it is utilised avoids section 50(3) interest altogether.
Track the credit ledger balance when you discover an ineligible claim; the Rule 88B computation depends on the lowest balance after the wrong claim.
Verify notice computations. Check the rate, the base (cash versus gross) and the number of days before paying.
Maintain a compliance calendar covering GSTR-1, GSTR-3B, IMS actions and annual returns for every registration.

Frequently asked questions

Is GST interest under section 50 calculated on gross or net tax?

For a return filed late, interest is calculated on the tax paid through the electronic cash ledger. The exception is where the return is filed only after proceedings under section 73 or 74 have begun.

What is the current late fee for a nil GSTR-3B?

₹20 per day (₹10 CGST and ₹10 SGST), capped at ₹500 per return.

Can interest or late fee be paid using ITC?

No. Both must be paid in cash through the electronic cash ledger.

Is interest payable if wrong ITC was never used?

Generally no. Section 50(3) applies only when ineligible ITC is availed and utilised, and Rule 88B explains how utilisation is measured using the credit ledger balance.

If you would like help checking an interest demand, planning GST payments or setting up a reliable filing calendar, our team is happy to assist.

WhatsApp +91 83687 74072

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This article is general information based on the law as of September 2026, and is not legal or tax advice. Please check the facts of your own case with a professional before acting.

October 31, 2026