| Section | Nature of Default | Rate / Amount | Period / Basis | Who Liable | How to Avoid |
|---|---|---|---|---|---|
| Sec 234A | Late filing of ITR | 1% per month (simple interest) | From due date to date of filing | All assessees | File ITR before due date |
| Sec 234B | Non-payment of advance tax (< 90%) | 1% per month (simple interest) | From Apr 1 of AY to date of assessment | All assessees | Pay advance tax timely |
| Sec 234C | Deferral of advance tax installments | 1% per month (simple interest) | 3 months (1st/2nd installment) or 1 month (final) | All assessees | Pay correct installments |
| Sec 234E | Late filing of TDS/TCS returns | ₹200 per day | From due date till filing (max = TDS/TCS amount) | TDS/TCS deductors | File quarterly returns on time |
| Sec 234F | Late filing of ITR (Belated Return) | ₹5,000 (income > ₹5L) ₹1,000 (income < ₹5L) |
One-time penalty | Individuals/HUF | File original ITR before due date |
| Sec 234G | Late filing of Form 10B/10BB | ₹200 per day | From due date to filing | Charitable trusts/institutions | File audit forms timely |
| Sec 271(1)(b) | Failure to comply with notice | Up to ₹10,000 | Per notice/per default | Noticees | Respond to IT dept. notices |
| Sec 271(1)(c) | Concealment of income / furnishing inaccurate particulars | 100%–300% of tax sought to be evaded | On concealed income | All assessees | Disclose income correctly |
| Sec 271A | Failure to maintain books of accounts | ₹25,000 | Per year | Required taxpayers | Maintain books u/s 44AA |
| Sec 271AA | Failure to maintain/furnish TP documentation | 2% of transaction value | Per default | TP assessees | Maintain TP documentation |
| Sec 271B | Failure to get accounts audited (44AB) | 0.5% of turnover/gross receipts or ₹1,50,000 (whichever lower) | Per year | Required audit taxpayers | Get audit done before due date |
| Sec 271BA | Failure to file Form 3CEB (TP) | ₹1,00,000 | Per year | TP assessees | File Form 3CEB before ITR |
| Sec 271C | Failure to deduct TDS at source | 100% of TDS amount | Per default | Deductors | Deduct & deposit TDS correctly |
| Sec 271CA | Failure to collect TCS | 100% of TCS amount | Per default | Collectors | Collect & deposit TCS correctly |
| Sec 271FA | Failure to file SFT / Form 61A | ₹500/day (before notice) ₹1,000/day (after notice) |
Till filing | Specified reporting entities | File SFT by 31st May |
| Sec 271H | Incorrect TDS/TCS return | ₹10,000 to ₹1,00,000 | Per return | TDS/TCS deductors | File correct return (no penalty if self-corrected within 1 yr) |
| Sec 272A | Failure to issue TDS certificate | ₹100 per day | Till certificate issued (max = TDS amount) | Deductors | Issue Form 16/16A within due dates |
| Sec 276B | Prosecution for TDS default | Rigorous imprisonment 3 months–7 years + fine | Criminal prosecution | Deductors/responsible persons | Deposit TDS on time |
| Sec 276CC | Prosecution for failure to file ITR | Rigorous imprisonment 6 months–7 years + fine | Criminal prosecution | Required filers | File ITR on time (minimum 3 yrs if tax > ₹25L) |
| Sec 201(1A) | Interest on late TDS deposit | 1% per month (deduction to deposit) 1.5% per month (after due date) |
From deduction/due date to payment | Deductors | Deposit TDS by 7th of next month |