Every registered NPO must file an income tax return even if its total tax liability is zero. The return must be filed by 31 October of the assessment year, along with Form 10B (audit report). A late return leads to loss of accumulation benefits and penalties.
All registered NPOs — filing is mandatory regardless of whether there is any tax payable.
Scenario
A trust with ₹1 crore income wants to accumulate ₹13 lakh via Form 10. The CA audit is done on time. However, the trust misses the 31 October due date and files on 15 December.
Calculation
Income: ₹1,00,00,000 Applied to objects (87%): ₹ 87,00,000 → Exempt ✓ Wanted to accumulate (Form 10): ₹ 13,00,000 Return filed: 15 December — LATE Form 10 filed: 15 December — LATE Consequence of late Form 10: ₹13L accumulation DISALLOWED Treated as unapplied income Tax at MMR (30%): ₹ 3,90,000 Late fee (Section 428): ₹ 5,000 Interest (Section 423): ₹ 23,400 Total additional cost: ₹ 4,18,400
Result
Missing the 31 October deadline cost the trust ₹4.18 lakh. Set a calendar reminder for early October every year — file Form 10 at least two weeks before the return to avoid last-minute issues.
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Section references are based on the Income Tax Act 2025 (Tax Year 2026-27). Examples are illustrative — verify with a Chartered Accountant before filing.