A Quick Refresher on Advance Tax
Advance tax is essentially a 'pay-as-you-earn' system for your total income tax liability. Instead of paying a lump sum at the end of the financial year, the Income Tax Act requires you to pay your taxes in instalments throughout the year as you earn.
This applies to any taxpayer—salaried individuals, freelancers, and businesses—whose total tax liability for the year is ₹10,000 or more. Salaried individuals might need to pay it if they have significant income from other sources like rent, capital gains, or interest, where the tax deducted at source (TDS) is not sufficient to cover their entire liability. However, resident senior citizens (aged 60 and above) without any income from a business or profession are exempt from paying advance tax.
The 45% September Target Explained
The advance tax schedule is divided into four key dates. By June 15, you were expected to pay at least 15% of your total estimated tax for the year. The upcoming deadline of September 15 requires that a cumulative total of at least 45% of your annual tax liability is paid. This is the most common point of confusion. The 45% target is not an additional payment on top of your June instalment. Rather, it is the total percentage of tax that should be in the government's account by September 15. If you paid 15% in June, you now need to pay the remaining 30% to meet the 45% cumulative target.
How to Calculate Your September Payment
Calculating your second instalment involves reassessing your financial situation. Your income estimate from June might have changed. First, re-estimate your total income for the entire financial year (April 1, 2026, to March 31, 2027). Include all sources: salary, business profits, capital gains, rental income, and interest. Next, subtract any applicable deductions (like those under Section 80C) to arrive at your estimated taxable income. Calculate your total tax liability on this income using the applicable tax slabs. From this total tax amount, subtract any TDS that has been or will be deducted. Now, calculate 45% of this net tax liability. Finally, subtract the actual amount of advance tax you paid in June. The resulting figure is what you need to pay on or before September 15, 2026.
What If Your Income Estimate Changes?
It's perfectly normal for income projections to fluctuate. If you anticipate earning more or less than you estimated in June, you should adjust your advance tax payment accordingly. The 'pay-as-you-earn' scheme is designed to be flexible. If your estimated income increases, your September instalment will need to be higher to meet the 45% target of the new, larger tax liability. Conversely, if your income has decreased, you can pay a smaller amount. If you've already paid more than 45% of your revised (lower) tax liability in June, you may not need to pay anything in September. The key is to ensure your cumulative payment correctly reflects 45% of your most current annual estimate.
The Consequences of Missing the Mark
Failing to pay the correct amount of advance tax on time attracts interest penalties. Under Section 234C of the Income Tax Act, if your cumulative payment by September 15 is less than 45% of your assessed tax, you will be charged simple interest at 1% per month for three months on the shortfall amount. Furthermore, if the total advance tax paid by March 31, 2027, is less than 90% of your total tax liability, an additional interest of 1% per month is levied under Section 234B on the deficit. These penalties are designed to encourage timely and accurate payments, making it crucial to get your calculations right.
