The Income-tax Act 2025 transition
The 1961 Act still governs the return you are filing now; the 2025 Act takes over from tax year 2026-27. What changes, which section numbers map to which, and when each applies.
14 articles · written and reviewed by CA K Sanjay Bhargav, Chartered Accountant
Cornerstone guide
Capital Gains Under the Income-tax Act 2025: New Sections
Section 45 becomes 67, Section 54 becomes 82, and the rollover exemptions now sit at 82–89. Rates and holding periods are unchanged — but buyback taxation is not.
Cornerstone guide
Income Tax Notices Under the New Act: Section Numbers
An old section number on a notice for a past year is correct, not a defect — and a fresh 1961-Act notice can still issue today. Here is how to tell which track your notice is on.
Cornerstone guide
NRI Taxation Under the Income-tax Act 2025
Residency still decides everything, and Section 6 keeps its number. What moved is the NRI chapter, DTAA relief and the withholding rules — plus one property trap that catches nearly every buyer.
Cornerstone guide
Old vs New Tax Regime Under the Income-tax Act 2025
Section 202 is the default and Section 156 gives a ₹60,000 rebate up to ₹12 lakh. The old regime survives as an opt-out — and for a narrow band of taxpayers it still wins.
Cornerstone guide
Section 80C Is Now Section 123: Deduction Mapping Guide
The complete Chapter VI-A old-to-new table — same deductions, same limits, new section numbers. Plus the point most mappings skip: under the default regime, most of them are not available at all.
Cornerstone guide
TDS Under Section 393: The New Consolidated Framework
For deductors: the rates and thresholds did not change — where you look them up did. Forty-odd sections become one table, and the quarterly returns get new numbers.
Cornerstone guide
Income Tax Act 2025 vs 1961: Which Applies to Your ITR?
A complete, plain-language comparison of the two Acts: tax-year terminology, which Act governs your return, the great renumbering (80C → 123), TDS consolidation and the Section 63 audit relief.
Advance Tax Under the 2025 Act: Who Owes It, and When
Four instalments, cumulative not quarterly. The Rs 10,000 gateway, the new section numbers, and the relief that saves you on an unexpected capital gain.
Income-tax Rules 2026 vs 1962: What Changed for Filers
Notification 22/2026 replaced the 1962 Rules with a leaner set — 333 rules and 190 forms. Almost every form number you use daily has changed, and the old numbers stay alive for old years.
Pending Assessments & Appeals After the 1961 Act Repeal
Section 536 preserves everything that arose before 1 April 2026 — proceedings, approvals, registrations and the power to issue fresh old-Act notices. Nothing lapsed on repeal.
Contractor Turnover Near Rs 2 Crore: Presumptive or Books?
Presumptive taxation is Section 58 — and tax audit is Section 63. Getting those two the wrong way round is easy and consequential. The thresholds and the 5% cash test, worked through.
Which Year Does Your Notice or Challan Refer To?
Two year concepts collapse into one under Section 3. Nothing about when you file or what you pay changes — but for one transitional year both are live at once, and a notice, a challan or the portal can each mean a different twelve months.
Income Tax Act 2025: Old vs New Section Number Mapping
The sections you actually use, mapped 1961 → 2025 in one table. Bookmark it for the transition.
Does the Income Tax Act 2025 Change Your FY 2025-26 Return?
The season's most common worry, settled in one table: the return you file this year is still under the 1961 Act.
Other topics
- Tax notices and assessments
- Business tax, audit and filing
- GST — registration, returns and credit
- Foreign income, RSUs and ESOPs
- Bank finance and company compliance
- Internal controls, IT audit and data protection
- Service exports, GCCs and professionals
- Manufacturing and industry
- Real estate, JDAs and development
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