AY 2026–27 Tax Updates: ITR-4 Changes and Capital Gains Rules Explained

Tax filing deadlines and regulatory modifications often require careful attention from retail taxpayers, freelancers, and small business owners navigating the annual compliance cycle. As the filing deadline for Assessment Year 2026–27 arrives, understanding key form updates and allowable expense deductions is essential for accurate return submission. This educational guide breaks down the latest official support measures, revised return forms, and capital gains tax mechanics.

What is happening

To assist taxpayers with return submission and address processing queries, the Income Tax Department operated its official helpline support lines on a round-the-clock basis (24x7) from 24th August 2026 at 08:00 Hrs until 23:59 Hrs on 31st August 2026, as reported by official Government of India releases.

For taxpayers submitting returns under forms ITR-3 and ITR-4 for Assessment Year 2026–27, the deadline to complete filing was set on or before August 31, 2026, according to reporting by The Economic Times.

Alongside the filing timeline, tax authorities introduced six major updates to the ITR-4 form applicable to small businesses, consultants, and self-employed professionals under presumptive taxation. Concurrently, tax discussions have focused on how taxpayers calculate net profits on financial assets, specifically regarding which transaction costs are allowable deductions under Section 72 of the Income-tax Act, 2025, as reported by Mint.

Key facts and data

The background you need

An Income Tax Return (ITR) is a formal declaration submitted to the Income Tax Department detailing income earned, eligible deductions, and tax liability for a specified assessment year [VERIFY: standard definition of Income Tax Return].

Among the various return formats, ITR-4 (Sugam) is tailored for individual taxpayers, Hindu Undivided Families (HUFs), and firm taxpayers who opt for presumptive taxation on business or professional earnings [VERIFY: standard coverage of ITR-4 Sugam]. Presumptive taxation allows eligible small taxpayers to compute income at standard rates without maintaining elaborate accounting books.

For Assessment Year 2026–27, six specific reporting updates were incorporated into the ITR-4 structure, as reported by The Economic Times. These structural updates comprise:

1. Revised investment disclosures.
2. Updated reporting requirements for house property.
3. Specific detail fields for political party deductions.
4. Provision of an optional secondary address field.
5. Elimination of reporting relief previously claimed under Section 89A.

Beyond business income return forms, retail market participants must also track capital gains calculation mechanics. As reported by Mint, under Section 72 of the Income-tax Act, 2025, direct expenses incurred to transfer a capital asset—such as brokerage fees—can generally be deducted when working out capital gains. However, Securities Transaction Tax (STT) is specifically excluded by statutory provisions and cannot be deducted against profits.

What analysts and the media are saying

Nishant Shanker, tax and investments expert at Navraj Global Advisors, explained that brokerage directly incurred for transferring a capital asset can generally be deducted while computing capital gains u/s 72 of the Income-tax Act, 2025, whereas Securities Transaction Tax (STT) is specifically excluded, as reported by Mint.

What this means for investors

How to read this: For taxpayers and retail market participants, these operational and regulatory details highlight how statutory definitions directly impact overall tax compliance and effective tax liabilities.

What this could mean for presumptive taxpayers: The six revisions in ITR-4 mean that small business operators, freelancers, and professionals using presumptive taxation must maintain clearer records for secondary properties, investment proofs, and political contributions. The removal of Section 89A relief reporting in ITR-4 simplifies the specific form but requires affected individuals with foreign income elements to review their appropriate reporting channels.

What this could mean for market investors: When determining capital gains tax liabilities on investments, understanding expense eligibility is essential. Direct transfer costs like brokerage reduce taxable capital gains (or increase deductible capital losses) under Section 72 of the Income-tax Act, 2025. Conversely, because STT is explicitly non-deductible, investors cannot add STT charges to the cost of acquisition or transfer expenses when calculating taxable profits.

What to watch next

1. Processing Updates: Tracking Income Tax Department announcements regarding return processing speeds following the 24x7 support operations.
2. Compliance Audits: Verifying supporting documentation for direct expenses like brokerage in the event of capital gains tax inquiries.
3. Presumptive Tax Filings: Monitoring how small business filers adjust to the expanded disclosure fields in updated ITR-4 forms.

Frequently asked questions

What is the deadline to file ITR-3 and ITR-4 returns for AY 2026–27?

According to reporting by The Economic Times, the official filing deadline to submit income tax returns using ITR-3 or ITR-4 for Assessment Year 2026–27 is on or before August 31, 2026.

Can Securities Transaction Tax (STT) be deducted while calculating capital gains?

No. As reported by Mint and highlighted by tax expert Nishant Shanker, STT is specifically excluded under tax regulations and cannot be deducted, whereas brokerage incurred directly for asset transfers can generally be deducted under Section 72 of the Income-tax Act, 2025.

What key changes were made to ITR-4 for AY 2026–27?

As reported by The Economic Times, six changes were introduced in ITR-4 for AY 2026–27: revised investment disclosures, updated house property reporting, specific details for political party deductions, an optional secondary address field, and the elimination of reporting relief under Section 89A.

During what period did the Income Tax Department operate 24x7 helplines?

According to official statements from the Government of India, the Income Tax Department operated its support lines 24x7 from 24th August 2026 at 08:00 Hrs until 23:59 Hrs on 31st August 2026.

This article is published strictly for educational and informational purposes and does not constitute financial, tax, or legal advice.