From 1 April 2026, India’s tax audit compliance framework undergoes a structural shift. The long-standing penalty-based regime under Section 271B of the Income-tax Act, 1961 gives way to a mandatory fee-based structure under the newly introduced Income-tax framework.
For businesses, professionals, tax consultants, and CFOs, this is not merely a procedural tweak – it fundamentally changes how audit defaults are treated, how much discretion tax authorities hold, and how risk must be managed.
1. Understanding the Existing Law – Section 271B
Under the Income-tax Act, 1961, certain taxpayers must get their accounts audited under Section 44AB if turnover or professional receipts cross prescribed thresholds.
If a taxpayer:
- Fails to get accounts audited, or
- Fails to obtain the audit report before the due date,
then Section 271B empowers the Assessing Officer to levy a penalty.
Penalty Amount Under Section 271B
The penalty is:
0.5% of turnover or gross receipts,
subject to a maximum of ₹1,50,000.
Important Features of Section 271B
- Discretionary Nature: The penalty is not automatic. The Assessing Officer must issue a notice and provide an opportunity of being heard.
- Reasonable Cause Protection (Section 273B): If the taxpayer proves “reasonable cause” (e.g., illness, resignation of auditor, system failure, natural calamity), the penalty can be waived.
- Litigation-Prone: Since the concept of “reasonable cause” is subjective, many disputes arise and reach appellate authorities.
- Turnover-Based Impact: Though capped at ₹1,50,000, the calculation method ties the penalty to turnover – making it theoretically proportionate to business size.
2. Why the Government Is Changing the System
With the introduction of the Income-tax Act, 2025, the government has rationalised several penalty provisions and converted many of them into fixed compliance fees.
Objectives Behind the Shift
- Reduce litigation
- Remove officer discretion
- Introduce certainty
- Simplify administration
- Speed up compliance resolution
The government’s philosophy:
Procedural defaults without tax evasion should not lead to prolonged penalty proceedings – instead, they should attract a predictable compliance fee.
3. The New Audit Fee Regime (Effective 1 April 2026)
From Assessment Year 2026–27 onwards, failure to furnish a tax audit report within the prescribed time will attract a mandatory fixed fee, replacing the earlier penalty mechanism.
Proposed Fee Structure
| Period of Delay | Fee Payable |
| Delay up to 1 month | ₹75,000 |
| Delay beyond 1 month | ₹1,50,000 |
Key Characteristics
- Mandatory and Automatic: The fee is system-driven and not dependent on officer discretion.
- No “Reasonable Cause” Defence: Unlike Section 271B read with Section 273B, there is no waiver mechanism.
- Flat Structure: The fee does not depend on turnover or business size.
- Pre-condition to Filing: The system may require payment of the fee before uploading the audit report.
- Reduced Litigation: Since discretion is removed, appeals on grounds of hardship or reasonable cause are expected to reduce drastically.
4. Section 271B vs New Audit Fee Regime – A Detailed Comparison
| Basis | Section 271B (Old Law) | New Audit Fee Regime |
| Legal Framework | Income-tax Act, 1961 | Income-tax Act, 2025 |
| Nature | Penalty | Mandatory fee |
| Discretion | Yes (Officer-based) | No (Automatic) |
| Reasonable Cause Relief | Available | Not available |
| Amount | 0.5% of turnover (max ₹1.5 lakh) | ₹75,000 / ₹1.5 lakh |
| Litigation Scope | High | Minimal |
| Linked to Turnover | Yes | No |
| Payment Timing | After penalty order | Before/at time of delayed filing |
5. Who Will Be Most Affected?
Small & Medium Enterprises (SMEs)
- Earlier: Could often defend minor delays using reasonable cause.
- Now: Even a short delay (say 5–10 days) may cost ₹75,000.
Professionals (CA, doctors, architects, consultants)
Professionals with receipts just above audit threshold may find the fixed fee disproportionately high compared to income levels.
Large Corporates
For large entities:
- Earlier penalty was capped at ₹1.5 lakh.
- Now fee is similar in upper slab.
- Impact is moderate compared to SMEs.
Ironically, the new regime may affect smaller entities more harshly than large corporations.
6. Practical Scenarios – Old vs New
Scenario 1: Small Business (Turnover ₹1.2 crore)
Under Section 271B:
- 0.5% = ₹60,000
- Could argue reasonable cause and possibly avoid penalty.
Under New Regime:
- ₹75,000 minimum fee.
- No relief possible.
Impact: Higher fixed cost.
Scenario 2: Large Company (Turnover ₹100 crore)
- Under Section 271B: 0.5% = ₹50 lakh, but capped at ₹1.5 lakh.
- Under New Regime: ₹75,000 or ₹1.5 lakh depending on delay.
Impact: Comparable.
Scenario 3: Delay Due to Medical Emergency
- Old Law: Likely relief under reasonable cause.
- New Law: Fee payable regardless of circumstances.
Impact: Removal of equitable discretion.
7. Compliance Strategy from 1 April 2026
Businesses must move from a “litigation defense” mindset to a “zero-delay” compliance mindset.
Strengthen Internal Controls
- Automated compliance calendars
- ERP-based deadline alerts
- Monthly closure discipline
Early Auditor Engagement
- Finalise accounts well before due date
- Avoid last-minute audit adjustments
Cash Flow Planning
- Provision for potential compliance fees
Parallel Monitoring of Other Fee Conversions
Similar shifts are expected in other procedural defaults (e.g., transfer pricing reports, statements, certifications).
8. Broader Policy Impact
The shift signals a philosophical change in Indian tax administration:
| Earlier Approach | Emerging Approach |
| Discretion-based enforcement | Automated compliance |
| Officer-driven penalty | System-driven fee |
| Litigation-heavy | Litigation-light |
| Equity-based relief | Certainty-based outcome |
This aligns with India’s push toward faceless assessments, digital compliance, and reduced human interface.
9. Advantages & Disadvantages
Advantages
- Certainty and predictability
- Reduced disputes
- Faster resolution
- Simplified enforcement
Disadvantages
- No relief for genuine hardship
- Potentially harsh for small taxpayers
- Flat fee ignores proportionality
- One-day delay can be costly
10. Final Analysis: Is This Reform Good or Harsh?
The answer depends on perspective.
From an administrative viewpoint:
- It simplifies enforcement.
- Reduces litigation burden.
- Improves compliance discipline.
From a taxpayer fairness viewpoint:
- Removal of reasonable cause may feel rigid.
- SMEs may bear disproportionate impact.
Ultimately, the reform moves India from a penalty-justification model to a pay-and-comply model.
Conclusion
From 1 April 2026, the era of discretionary audit penalties under Section 271B effectively ends. In its place stands a mandatory, fixed audit fee regime under the new Income-tax framework.
The message is clear:
Compliance delays will no longer be debated – they will be priced.
For businesses and professionals, the safest strategy is simple:
Audit early. File on time. Eliminate dependency on post-default relief.

