Archive · 31 Aug 2026
September 2026 Income Tax Deadlines Cover Payments, Audits
Taxpayers have several important jobs to complete in September 2026.
They must pay certain taxes collected in August by September 7.
They also need to send some tax certificates by September 14.
The second payment of advance tax for Tax Year 2026-27 is due on September 15.
Some government offices must submit an additional form on that date.
September 30 is the deadline for certain tax statements and audit reports.
Trusts, funds, hospitals, universities, and educational or medical institutions may need to file Forms 10B or 10BB.
Meeting these dates can help taxpayers avoid penalties and other compliance problems.
September 7 is the deadline to deposit TDS or TCS collected during August 2026.
Government authorities must pay TDS or TCS on the collection date without using an Income Tax challan.
Taxpayers must issue Form No. 132 by September 14 for TDS deducted during July 2026.
September 15 is the deadline for the second advance-tax instalment for Tax Year 2026-27 and several August-related filings.
By September 30, taxpayers must submit specified challan statements and audit reports, including Forms 10B or 10BB where applicable.
- Who
- Taxpayers, government offices, stock exchanges, and specified trusts, funds, hospitals, universities, and educational or medical institutions.
- What
- They must meet September deadlines for TDS/TCS payments, certificates, advance tax, statements, and audit reports.
- When
- The deadlines fall on September 7, September 14, September 15, and September 30, 2026.
- Where
- The filings and payments are made under the Income Tax Rules, 2026, with the Central Government where specified.
- Why
- To complete tax compliance on time and avoid penalties or other compliance complications.
- September 7
- Deposit TDS or TCS collected during August 2026; upload declarations received in Form No. 127.
- September 14
- Issue Form No. 132 for TDS deducted during July 2026.
- September 15
- Pay the second advance-tax instalment for Tax Year 2026-27.
- September 15
- Submit Form 1 for August 2026 and, where applicable, Form No. 137 for TDS/TCS paid without a challan.
- September 30
- Submit Form No. 141 for tax deducted under Section 393 during August 2026.
- September 30
- Furnish Section 44AB audit reports for eligible taxpayers whose returns are due by October 31, 2026.
- September 30
- Trusts, funds, hospitals, universities, and eligible educational or medical institutions must submit Form 10B or Form 10BB audit reports.