The December advance-tax instalment everyone forgets

Why the 15 December advance-tax instalment trips up founders and NRIs — and how to size it correctly.

Why this one catches people out

The third advance-tax instalment falls on 15 December, and it's the one founders and NRIs most often miss — because the income that drives it (an ESOP exercise, a capital gain, a consulting spike) often lands in the second half of the year.

Miss it and you're not just late — you're paying interest under sections 234B and 234C on the shortfall.

How to size it

1. Estimate full-year income, including one-off events.
2. Apply the cumulative target: 75% of total liability by 15 December.
3. Subtract TDS already deducted and earlier instalments.

What we do for clients

We run a December checkpoint across the Founders Tax Desk and Pravasi Desk so the instalment is sized before the deadline — not reconstructed in March.

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