Income-tax return form ITR-3 is substituted with expanded reporting for business income, capital gains, foreign assets, and tax payments. Income-tax Rules, 1962 are amended by substituting FORM ITR-3 in Appendix II. The substituted return form applies to returns filed for Assessment Year 2026-27, with effect from 31 March 2026. The revised form is designed for individuals and Hindu undivided families having income from profits and gains of business or profession, and it updates the return architecture to capture detailed particulars relating to personal information, filing status, residential status, audit requirements, business and profession accounts, presumptive income, capital gains, other sources, foreign assets, tax relief, deductions, and tax payments.