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Tax audit reports due Sept 30, ITR filing deadline Oct 31 for AY 2026-27

Indian taxpayers subject to mandatory tax audits must adhere to a two-stage compliance schedule for Assessment Year 2026-27, with audit report submission preceding the income tax return filing deadline by one month.

LSN India · 8 September 2026

Taxpayers in India who are required to undergo a tax audit face a structured timeline for completing their compliance obligations in the upcoming financial year. The first critical milestone requires submission of the audit report to tax authorities by September 30, 2026, establishing the foundation for subsequent filing requirements.

Following the audit report submission, taxpayers must file their income tax returns by October 31, 2026, for Assessment Year 2026-27. This sequential process ensures that audit findings are documented and reviewed before the formal ITR submission, allowing tax authorities adequate time to process both documents within the assessment framework.

The staggered deadline structure is designed to accommodate the administrative requirements of tax audits while maintaining orderly processing of returns. Taxpayers subject to audit provisions, typically those with specified turnover thresholds, should prioritize engagement with their chartered accountants or tax professionals well in advance to ensure timely completion of audit formalities.

Non-compliance with either deadline could attract penalties and scrutiny from tax authorities. Taxpayers are advised to maintain detailed financial records and coordinate with their auditors to meet the September 30 benchmark, allowing sufficient time for any necessary corrections before the October 31 ITR filing deadline.