Advance Tax and the 15 March Trap: Single-Instalment Rule for Presumptive Taxpayers
Presumptive taxpayers under 44AD and 44ADA must pay all advance tax in one instalment by 15 March. Here is the calendar, the 234C interest cost, and the e-Pay Tax CRN rule that closes the window on 31 March.
Tomorrow, 16 June 2026, is the morning after the first advance-tax milestone of the financial year. The 15 June instalment for FY 2026-27 fell due today, and from tomorrow any shortfall begins to attract interest under Section 234C of the Income Tax Act at 1% per month. For most salaried taxpayers the date passes unnoticed because employers deduct TDS. For freelancers, consultants, traders and the rapidly growing pool of presumptive-scheme assessees, it is the first of four trip-wires that culminate in the single most misunderstood deadline of the tax calendar: 15 March.
This watchlist sets out what falls due next, why the 15 March single-instalment rule for presumptive taxpayers is a trap rather than a convenience, and the two dates the Income Tax Department's own e-Pay Tax system quietly enforces on challans generated late in March.
Statutory Deadlines
Advance tax is governed by Sections 207 to 211 of the Income Tax Act, 1961. Under Section 208, every assessee whose estimated tax liability for the year is Rs 10,000 or more, after reducing TDS and TCS, must pay tax in advance during the year itself rather than at filing. The threshold is per-person and per-year; it is not indexed, so even a modest second income from capital gains or rent can pull a salaried taxpayer into the advance-tax net.
For taxpayers other than those under the presumptive scheme, Section 211 lays down four instalments across the financial year. The cumulative percentages are fixed:
| Instalment due date | Cumulative advance tax payable | FY 2026-27 status as of 16 June 2026 |
|---|---|---|
| 15 June 2026 | 15% of total liability | Due yesterday; shortfall now accrues 234C interest |
| 15 September 2026 | 45% of total liability | Upcoming |
| 15 December 2026 | 75% of total liability | Upcoming |
| 15 March 2027 | 100% of total liability | Final instalment |
Presumptive-scheme assessees follow a different rule entirely. Where a taxpayer declares income under Section 44AD (small businesses) or Section 44ADA (professionals such as doctors, lawyers and architects), the Income Tax Department's tax-payments guidance is explicit: the entire advance-tax liability is paid in a single instalment, on or before 15 March of the financial year. There is no June, September or December instalment to spread the burden. This is the trap. A consultant who has opted for 44ADA and assumes the salaried four-instalment calendar applies will believe nothing is due until later in the year, when in fact 100% must clear by 15 March or interest begins.
Two further dates sit beside advance tax in the March window and are worth flagging now so they are not missed at year-end:
| Form / return | Statutory purpose | Practical timing |
|---|---|---|
| Form 15G / Form 15H | Declaration for nil or below-threshold income to stop TDS on interest | Filed afresh at the start of each financial year, in April, with the bank or payer |
| Self-assessment tax | Balance tax paid before filing the return | Paid via challan before submitting the ITR; see self-assessment tax |
A separate, lesser-known mechanism is built into the e-Pay Tax portal itself. According to the Income Tax Department's e-Pay Tax help pages, where an advance-tax challan reference number (CRN) is generated on or after 16 March, its valid-till date is set to 31 March of that financial year rather than the usual longer window. In plain terms: a presumptive taxpayer who misses 15 March and tries to generate a challan on, say, 20 March, must complete the payment before 31 March or the CRN lapses. The portal is, in effect, refusing to let a missed-deadline payment drift into the next financial year.
Market Events
The dominant market event shaping tax planning this year is the interest-rate environment, because the cost of borrowing to meet a lumpy tax bill is set against it. The Reserve Bank of India's Monetary Policy Committee held the repo rate at 5.25% at its 6 to 8 April 2026 meeting, the second consecutive pause after the February 2026 hold. That followed a cumulative 125 basis points of cuts through 2025, which brought the rate down from 6.50% to 5.25%. Governor Sanjay Malhotra cited West Asia geopolitical risk and Brent crude above USD 100 per barrel as reasons for the April pause. The next MPC review is scheduled for 3 to 5 June 2026, and its outcome will have already been published by the time most taxpayers plan their September instalment.
The rate path matters for advance tax because Section 234C interest is charged at 1% per month, or 12% annualised, on any deferred instalment. With the repo rate at 5.25% and many short-term deposits yielding well below 7%, deferring advance tax to invest the cash rarely pays: the 12% interest cost on the shortfall almost always exceeds the return. The arithmetic favours paying on time. For taxpayers weighing whether to deploy surplus cash into markets or hold it for the next instalment, our SIP calculator and lumpsum calculator help model the trade-off between investing now and reserving for tax.
Earnings
No company earnings are scheduled tomorrow that bear on this watchlist's tax theme, and the briefing for this angle confirms no specific results calendar. We will not speculate on an earnings schedule that has not been confirmed.
What does matter for taxpayers with equity income is the treatment of gains when estimating advance-tax liability. Capital gains are notoriously difficult to forecast because they crystallise on sale, not on accrual. The law accommodates this: where advance tax falls short purely because of capital gains that could not have been anticipated, the shortfall on that component can be paid in the remaining instalments, or by 31 March, without attracting Section 234C interest on that piece, provided the tax is paid in the instalment following the gain. For FY 2025-26 onward, long-term capital gains on listed equity are taxed at 12.5% beyond the Rs 1.25 lakh annual exemption, and short-term gains at 20%. Anyone harvesting gains near year-end should fold the resulting tax into their 15 March estimate to keep the buffer intact. A step-up SIP plan that systematically books and reinvests is one way to spread realisation across years rather than bunching it.
Practical Takeaways
The single most useful habit is to treat 15 June, not 15 March, as the start of the advance-tax year. Estimate the full-year liability now, divide by the Section 211 schedule, and pay the 15% first instalment even if approximate. Section 234C is forgiving of small underestimates: no interest applies if at least 12% of the liability is paid by 15 June and 36% by 15 September, giving a modest cushion against forecasting error.
Presumptive taxpayers under 44AD and 44ADA should set a single, hard reminder for 10 March, five days before the deadline, and generate the challan early. Leaving it to 16 March or later triggers the 31 March CRN expiry rule and removes all slack. Senior citizens aged 60 and above who have no income from business or profession are exempt from advance tax altogether under Section 207 and pay only at filing.
Finally, check the tax rebate position before paying. Under the new regime for FY 2025-26, the Section 87A rebate has risen to Rs 60,000, which makes income up to Rs 12 lakh effectively tax-free after the standard deduction of Rs 75,000. A taxpayer whose income falls below the rebate threshold may have no advance-tax liability at all, and paying it would simply create a refund claim. For higher earners, note that the surcharge in the new regime is capped at 25%, not 37%, on income above Rs 5 crore, which alters the top-bracket estimate materially.
FAQ
What is the advance-tax due date for presumptive taxpayers?
Taxpayers who declare income under Section 44AD or 44ADA pay their entire advance-tax liability in a single instalment, on or before 15 March of the financial year. Unlike the four-instalment schedule for other taxpayers, there is no June, September or December payment. The Income Tax Department's tax-payments guidance states this single-instalment rule explicitly.
Who has to pay advance tax at all?
Under Section 208, any taxpayer whose estimated tax liability for the year is Rs 10,000 or more, after deducting available TDS and TCS, must pay advance tax. Salaried individuals with only TDS-covered income usually owe nothing extra, but a second income from freelancing, rent, interest or capital gains can cross the Rs 10,000 threshold and bring them into the net.
What happens if I generate a challan after 15 March?
According to the Income Tax Department's e-Pay Tax help pages, where a challan reference number (CRN) is generated on or after 16 March, its valid-till date is set to 31 March of that financial year. You must complete the payment before 31 March or the CRN lapses and you must generate a fresh one. This effectively closes the window for late-March advance-tax payments.
How much interest does a missed instalment cost?
Section 234C charges 1% per month, equal to 12% a year, on the shortfall in each instalment. Section 234B charges a further 1% per month where less than 90% of the assessed tax is paid by 31 March. Because both run at 12% annualised, well above current deposit rates with the repo at 5.25%, deferring advance tax to earn interest elsewhere almost never pays.
Are senior citizens required to pay advance tax?
Resident senior citizens aged 60 and above who do not have any income chargeable under the head profits and gains of business or profession are exempt from paying advance tax under Section 207. They settle their liability through self-assessment tax at the time of filing instead.
How are unanticipated capital gains treated for advance tax?
Where a shortfall in an instalment arises because of capital gains that could not reasonably have been estimated earlier, the tax on that gain can be paid in the remaining instalments, or by 31 March, without Section 234C interest on that component, provided it is paid in the instalment due after the gain arises. The relief applies only to the genuinely unforeseeable portion.
Can I revise my advance-tax estimate during the year?
Yes. Advance tax is paid on an estimate, and you are expected to revise it upward or downward as income becomes clearer through the year. Pay the higher amount in the next instalment if your estimate rises; if you have overpaid, the excess is refunded with interest after you file. Keeping the estimate current is the simplest way to avoid both 234B and 234C interest.
Sources & Citations
- e-Pay Tax help and tax-payments guidance — Income Tax Department
- Income Tax Act 1961 - Sections 207 to 211 and 234B/234C — India Code
Frequently Asked Questions
What is the advance-tax due date for presumptive taxpayers?
Taxpayers who declare income under Section 44AD or 44ADA pay their entire advance-tax liability in a single instalment, on or before 15 March of the financial year. There is no June, September or December payment, unlike the four-instalment schedule for other taxpayers.
Who has to pay advance tax at all?
Under Section 208, any taxpayer whose estimated tax liability for the year is Rs 10,000 or more, after deducting available TDS and TCS, must pay advance tax. A second income from freelancing, rent, interest or capital gains can bring a salaried person into the net.
What happens if I generate a challan after 15 March?
Per the Income Tax Department's e-Pay Tax help pages, where a challan reference number (CRN) is generated on or after 16 March, its valid-till date is set to 31 March of that financial year. The payment must complete before 31 March or the CRN lapses.
How much interest does a missed instalment cost?
Section 234C charges 1% per month, equal to 12% a year, on the shortfall in each instalment. Section 234B adds a further 1% per month where less than 90% of assessed tax is paid by 31 March.
Are senior citizens required to pay advance tax?
Resident senior citizens aged 60 and above with no income from business or profession are exempt from advance tax under Section 207. They settle their liability through self-assessment tax when filing.
How are unanticipated capital gains treated for advance tax?
Where a shortfall arises from capital gains that could not reasonably have been estimated earlier, the tax on that gain can be paid in the remaining instalments, or by 31 March, without Section 234C interest on that component, provided it is paid in the instalment due after the gain arises.
Can I revise my advance-tax estimate during the year?
Yes. Advance tax is paid on an estimate that you revise as income becomes clearer. Pay the higher amount in the next instalment if your estimate rises; overpayment is refunded with interest after filing. Keeping the estimate current avoids 234B and 234C interest.