Section 115BAA vs 115BAB: A 2026 Corporate Tax Guide

Key Takeaways

• Fundamental Choice for FY 2025-26: Domestic companies must strategically evaluate whether to remain in the standard tax regime (with rates of 25% or 30% plus surcharges) and claim all eligible deductions, or to opt for the concessional flat tax rates under Section 115BAA (22%) or Section 115BAB (15%) by forgoing specific incentives.
• Irrevocable and Incentive-Linked Decision: The choice to move to Section 115BAA or 115BAB is permanent and cannot be withdrawn in subsequent years. This decision hinges on forgoing major deductions like those for SEZ units (S.10AA), additional depreciation, and various incentives under Chapter VI-A.
• MAT Exemption is a Critical Factor: A significant advantage of opting for either Section 115BAA or 115BAB is the complete exemption from Minimum Alternate Tax (MAT). However, any existing MAT credit balance will lapse and cannot be utilized against the tax liability under these new sections.
• Section 115BAB is Highly Specific: The attractive 15% base rate under Section 115BAB is exclusively for new domestic manufacturing companies that were incorporated on or after October 1, 2019, and commenced production on or before March 31, 2024. Companies not meeting these strict criteria must consider Section 115BAA or the standard regime.

PART 1: EXECUTIVE SUMMARY

This compliance guide provides a detailed analysis for corporate entities navigating the critical tax planning decisions for the Financial Year 2025-26. The core issue revolves around the strategic choice between the standard corporate tax structure under the Income Tax Act, 1961, and the optional concessional tax regimes offered under Sections 115BAA and 115BAB.

• The Standard Regime (The "Old" Law): Historically, domestic companies were subject to corporate tax rates of either 30% or 25% (for companies with turnover up to ₹400 crore in a specified prior year), plus applicable surcharges and cess. This framework allows companies to claim a wide array of deductions and incentives, such as additional depreciation, exemptions for SEZ units, and various investment-linked benefits. However, it also subjects them to the Minimum Alternate Tax (MAT) if their tax liability falls below a certain percentage of book profits.

• The Concessional Regimes (The "New" Law): Introduced to simplify the tax structure and boost investment, Section 115BAA offers any domestic company the option to pay a flat tax rate of 22% (effective rate of 25.17% including surcharge and cess). Section 115BAB provides an even lower rate of 15% (effective rate of 17.16%) exclusively for new domestic manufacturing companies meeting stringent setup and commencement deadlines. The fundamental condition for availing these lower rates is the forfeiture of most major tax deductions and incentives.

• Who is Impacted: This decision impacts all domestic companies. Existing companies with low reliance on tax incentives may find the 22% rate under Section 115BAA highly beneficial due to its simplicity and MAT exemption. New manufacturing companies that meet the specific timeline criteria of Section 115BAB can achieve one of the lowest tax rates globally. Conversely, companies heavily invested in SEZs or those with significant brought-forward losses linked to disallowed deductions must perform a rigorous cost-benefit analysis before making this irreversible choice.

PART 2: DETAILED TAX ANALYSIS

1. Background & Corporate Impact

The introduction of Sections 115BAA and 115BAB through the Taxation Laws (Amendment) Act, 2019, was a paradigm shift in India's corporate tax policy. The primary objective was to reduce the corporate tax burden, stimulate economic growth, and attract fresh investment, particularly in the manufacturing sector, under the "Make in India" initiative.

For corporations, this presents a strategic fork in the road. The decision is not merely a choice of a lower tax rate but a comprehensive reassessment of the company's financial strategy. The impact is profound:

• For Capital-Intensive Businesses: Companies that traditionally rely on benefits like additional depreciation must calculate the net present value of forgoing these deductions against the benefit of a lower flat tax rate over the long term.
• For SEZ Units: Entities operating in Special Economic Zones and availing deductions under Section 10AA face a direct trade-off. The 100% profit exemption for a specified period might be more valuable than a lower tax rate on the entire profit base.
• For Companies with MAT Credit: Businesses with significant Minimum Alternate Tax (MAT) credit accumulated over the years face a critical decision. Opting for either 115BAA or 115BAB results in the permanent lapse of this credit. Therefore, a company might choose to remain in the old regime solely to utilize its MAT credit before considering a switch.

2. Standard Regime vs. Concessional Regimes (115BAA/115BAB)

The choice between these regimes requires a detailed, multi-year financial projection. Our team has compiled a comparative analysis of the key parameters for FY 2025-26.

3. Audit & ERP Reporting Requirements

Adopting a new tax regime necessitates changes in compliance, audit procedures, and financial reporting systems.

• Statutory Compliance: To opt for Section 115BAA, a company must file Form 10-IC electronically before the due date for filing the income tax return (ITR). Similarly, for Section 115BAB, Form 10-ID is required. This is a one-time compliance, but its timely filing is mandatory to avail the benefit for the year.
• Tax Audit: The tax auditor must verify that the computation of total income adheres to the conditions of the chosen section. This involves ensuring that no disallowed deductions have been claimed. The auditor's report (Form 3CD) will need to reflect the compliance with these specific provisions.
• ERP System Configuration: Financial controllers must ensure their Enterprise Resource Planning (ERP) systems are reconfigured. The system should be able to:
  • Tag and exclude disallowed expenditures and deductions automatically when computing tax liability under the chosen section.
  • Prevent the claim of additional depreciation on new assets.
  • Segregate losses that are eligible for set-off from those that have lapsed due to the transition.
  • Run parallel computations of tax under the old and new regimes for management's internal analysis and review, even after the option is exercised.

4. Financial Controller's Action Plan 2026

For the upcoming compliance cycle leading into 2026, our team recommends the following action plan for Chief Financial Officers and Financial Controllers:

1. Conduct a Multi-Year Impact Analysis: Before filing the ITR for AY 2026-27, create a 5-7 year financial model. This model should compare the projected tax outflow under the standard regime versus the Section 115BAA regime. Factor in planned capital expenditures, potential eligibility for incentives, and existing MAT credit balances.
2. Evaluate Unabsorbed Depreciation & Losses: Quantify the amount of any brought-forward losses or unabsorbed depreciation that is attributable to disallowed deductions (especially additional depreciation). The permanent lapse of these assets upon switching to a concessional regime is a real cost that must be factored into the decision.
3. Review MAT Credit Status: If the company has a significant MAT credit balance, prioritize its utilization. It may be financially prudent to remain in the old regime until the credit is substantially or fully utilized before exercising the option under Section 115BAA.
4. Confirm Eligibility for 115BAB: For companies believing they are eligible for the 15% rate, a rigorous due diligence of the conditions is paramount. Confirm the date of incorporation, commencement of manufacturing, non-use of old plant & machinery (beyond the 20% limit), and ensure the business is not formed by splitting up an existing entity.
5. Board-Level Approval: The decision to opt for a concessional regime is strategic and irreversible. This requires a detailed proposal to be presented to the Board of Directors, outlining the long-term financial implications, risks, and benefits before the final decision is made and Form 10-IC/10-ID is filed.

5. Final Advisory

The choice between Section 115BAA, Section 115BAB, and the standard tax regime is a complex, data-driven decision with permanent consequences. There is no one-size-fits-all answer.

• Companies with high profitability, low dependence on tax incentives, and no significant MAT credit are prime candidates for Section 115BAA. The 25.17% effective rate offers certainty and simplicity.
• The benefit of Section 115BAB is immense but is restricted to a very specific set of new manufacturing companies that met the March 31, 2024, commencement deadline. For those eligible, it is unequivocally the most favorable tax regime.
• The Standard Regime remains the optimal choice for companies that can significantly reduce their effective tax rate below 25.17% through legitimate deductions and incentives (e.g., SEZ units, companies with large capex plans eligible for additional depreciation) or for those with substantial MAT credit to utilize.

Our team strongly advises a thorough quantitative analysis before committing to a path. This decision will define the company's tax strategy for the foreseeable future.

💡 Corporate Tax Tip: Ensure your business is fully compliant with the new Direct Tax Code 2025 to avoid hefty corporate penalties.