Due Dates Advance Tax — Q2 Installment (45% cumulative by 15 September)
Advance Tax — Q2 Installment (45% cumulative by 15 September)
Income-tax Act 2025 (from tax year 2026-27) and Income Tax Act 1961 (tax years before 1 Apr 2026, s.536(2) ITA 2025)
Second advance tax installment: cumulative 45% of estimated tax. Due 15 September.
Due dates and late fees
| FY | Due Date | Late Fee | Note |
|---|---|---|---|
| FY 2024-25 | 15 September 2024 | s.234C: 1% p.m. × 3 months on cumulative shortfall | — |
| FY 2025-26Current | 15 September 2025 | s.234C: 1% p.m. × 3 months | — |
| FY 2026-27 | 15 September 2026 | 1% p.m. × 3 months — as specified under s.425, Income-tax Act 2025 (earlier s.234C, Income Tax Act 1961) | — |
FY-specific notes
Late fee calculator
Calculate the related statutory fee for this obligation.
Section 234C — Interest for Deferment of Advance Tax Installments →