Income Tax Compliance Calendar FY 2026-27 : Due Dates

Note: The form numbers mentioned above are based on the revised compliance framework under the new Income Tax Act applicable from 01/04/2026. Taxpayers should verify the latest notified forms and due dates from official Income Tax/CBDT updates before filing.

Income Tax Compliance Calendar – Tax Year 2026-27

Disclaimer: For FY 2026-27, the Income-tax Act, 2025 uses Tax Year 2026-27 terminology. The corresponding legacy reference is AY 2027-28, but the new-law calendar should preferably use Tax Year 2026-27. The new ITR forms for Tax Year 2026-27 should be referred to by their notified form numbers once officially notified.

Notes:

• Advance Tax: Instalments are generally payable at 15%, 45%, 75% and 100% cumulatively by the four respective due dates.
• 31 July ITR: Applies to taxpayers falling within the prescribed 31 July return-filing category.
• 31 August ITR: Applies to the prescribed 31 August category, including applicable non-audit business/profession cases under the current framework.
• Form 26: This is the updated tax audit report applicable under the Income-tax Rules, 2026.
• 31 October ITR: Applies to taxpayers falling under the prescribed audit-category return deadline.
• Form 48: This is the prescribed accountant’s report for taxpayers covered by applicable transfer-pricing provisions.
• 30 November ITR: Applies to taxpayers falling under the prescribed transfer-pricing return category.

Income Tax Compliance Calendar FY 2026–27: Late Fee, Additional Fee and Penalties

For Tax Year 2026-27, the relevant provisions are under the Income-tax Act, 2025, effective from 1 April 2026.

Notes:

• Advance Tax: Advance tax becomes payable where the advance-tax liability is ₹10,000 or more for the tax year.
• Installment Shortfall: Section 425 governs interest for deferment or short payment of the prescribed advance-tax instalments.
• Overall Shortfall: Section 424 imposes 1% simple interest per month or part thereof where advance tax is not paid or is below 90% of assessed tax.
• Late ITR: Section 428 provides a late filing fee of ₹1,000 where total income does not exceed ₹5 lakh and ₹5,000 in other cases.
• Tax Audit: For Tax Year 2026-27, the current tax audit report is Form 26, and the new graded fee framework should be used instead of the old Section 271B penalty.
• Transfer Pricing: Form 48 is the current accountant’s report, and the graded fee is ₹50,000 up to one month and ₹1 lakh thereafter.
• Tax Year: Income earned from 1 April 2026 to 31 March 2027 is governed by the Income-tax Act, 2025 as Tax Year 2026-27.
• Extensions: Late fee, interest or other consequences should be determined after considering any CBDT extension or relaxation applicable to the relevant compliance.

Expert Help for Your ITR Filing

Filing your ITR can sometimes feel confusing; especially when you are dealing with deadlines, choosing the right form, or figuring out which details need to be reported.

At Ebizfiling, our experts help make the process simpler. From reminding you about important due dates and helping you choose the right ITR form to preparing and filing your return accurately, we support you at every step.

Whether you are a salaried individual, freelancer, professional, or business owner, our team helps you file your return correctly and on time, so you can stay compliant without the last-minute stress.

Final Thoughts

Keeping track of income tax deadlines throughout the year helps you avoid last-minute stress, late fees, and unnecessary notices. Filing the right return at the right time also keeps your financial records in order.

With a clear compliance calendar and timely action, managing ITR compliances becomes much simpler. At Ebizfiling, our experts are here to help you stay compliant and file with confidence.

Timely compliance filing is essential to keep your business legally compliant and penalty-free. Whether you need GST, TDS/TCS, LLP, OPC, Company, PF & ESI, or Income Tax due dates, our detailed Compliance Calendar FY2026-27 can help you stay organized throughout the financial year.

Suggested Reads:

TDS and TCS compliance calendar FY 2026-27
LLP compliance calendar FY 2026-27
OPC compliance calendar FY 2026-27
GST compliance calendar FY 2026-27
PF and ESI compliance calendar FY 2026-27
Company compliance calendar FY 2026-27

FAQs on Income Tax Compliance