Income-tax return filing: non-audit business and professional taxpayers use applicable forms by prescribed due dates.
August 31, 2026 was the due date for taxpayers having business or professional income who were not subject to audit. Such non-audit taxpayers may use ITR-3, ITR-4, ITR-5 or ITR-7, as applicable. ITR-3 applies to individuals and Hindu Undivided Families with proprietary business or professional income, while ITR-4 is intended for small and medium taxpayers. ITR-5 applies to firms, limited liability partnerships and cooperative societies, and ITR-7 applies to trusts and charitable institutions.