Due dates for October 2026

1. 7 Wednesday, 7 October 2026

   • TCS deposit

     TDS and TCS

     Challan 281, for September 2026

     7 Oct

   • TDS deposit

     TDS and TCS

     Challan 281, for September 2026

     7 Oct

2. 10 Saturday, 10 October 2026

   • GSTR-7

     GST

     GSTR-7 (GST TDS deductors), for September 2026

     10 Oct

   • GSTR-8

     GST

     GSTR-8 (e-commerce TCS), for September 2026

     10 Oct

   • PT return

     PF, ESI and PT

     Professional tax, for September 2026. Telangana and Andhra Pradesh

     10 Oct

3. 11 Sunday, 11 October 2026

   • GSTR-1

     GST

     GSTR-1 (monthly filers), for September 2026

     11 Oct

4. 13 Tuesday, 13 October 2026

   • GSTR-1

     GST

     GSTR-1 (QRMP filers), for Q2 FY 2026-27 (Jul–Sep)

     13 Oct

   • GSTR-6

     GST

     GSTR-6 (input service distributors), for September 2026

     13 Oct

5. 15 Thursday, 15 October 2026

   • ECR (Form VII)

     PF, ESI and PT

     EPF return and payment, for September 2026

     15 Oct

   • ESIC challan

     PF, ESI and PT

     ESIC contribution, for September 2026

     15 Oct

   • PT return

     PF, ESI and PT

     Professional tax, for September 2026. Maharashtra

     15 Oct

   • PT return

     PF, ESI and PT

     Professional tax, for September 2026. Gujarat

     15 Oct

6. 18 Sunday, 18 October 2026

   • CMP-08

     GST

     CMP-08 (composition dealers), for Q2 FY 2026-27 (Jul–Sep)

     18 Oct

7. 20 Tuesday, 20 October 2026

   • GSTR-3B

     GST

     GSTR-3B (monthly filers), for September 2026

     20 Oct

   • Form XII

     PF, ESI and PT

     EPF abstract for contract workers (principal employer), for September 2026

     20 Oct

   • PT return

     PF, ESI and PT

     Professional tax, for September 2026. Karnataka

     20 Oct

8. 21 Wednesday, 21 October 2026

   • PT return

     PF, ESI and PT

     Professional tax, for September 2026. West Bengal

     21 Oct

9. 22 Thursday, 22 October 2026

   • GSTR-3B

     GST

     GSTR-3B (QRMP filers), for Q2 FY 2026-27 (Jul–Sep). Category X states

     22 Oct

10. 24 Saturday, 24 October 2026

    • GSTR-3B

      GST

      GSTR-3B (QRMP filers), for Q2 FY 2026-27 (Jul–Sep). Category Y states

      24 Oct

11. 25 Sunday, 25 October 2026

    • ITC-04

      GST

      ITC-04 job work (turnover above ₹5 crore), for H1 FY 2026-27 (Apr–Sep)

      25 Oct

12. 27 Tuesday, 27 October 2026

    • CRA-4

      ROC and MCA

      CRA-4 cost audit report, for FY 2025-26

      Due 30 days after the cost audit report, if it is held on the last day allowed.

      27 Oct

13. 30 Friday, 30 October 2026

    • AOC-4

      ROC and MCA

      AOC-4 financial statements, for FY 2025-26. Holds an AGM (30 days after it)

      Due 30 days after the AGM, if it is held on the last day allowed.

      30 Oct

    • Form 8

      ROC and MCA

      LLP Form 8 statement of account and solvency, for FY 2025-26

      30 Oct

14. 31 Saturday, 31 October 2026

    • ITR

      Income tax

      Income-tax return, for AY 2026-27. Liable to audit

      Extended to 21 Nov 2026 by CBDT Circular No. 07/2026 dated 28-09-2026
      31 Oct

    • Form 98

      Income tax

      Statement of declarations from persons without PAN, for H1 FY 2026-27 (Apr–Sep)

      31 Oct

    • Form 3CA/3CB-3CD

      Income tax

      Tax audit report, for AY 2026-27. Transfer pricing, return due 30 November

      31 Oct

    • Form 3CEB

      Income tax

      Transfer pricing report, for AY 2026-27

      31 Oct

    • MSME-1

      ROC and MCA

      MSME-1 outstanding payments to MSMEs, for H1 FY 2026-27 (Apr–Sep)

      31 Oct

    • Form 143

      TDS and TCS

      TCS statement, for Q2 FY 2026-27 (Jul–Sep)

      31 Oct

    • Form 144

      TDS and TCS

      TDS statement (non-resident), for Q2 FY 2026-27 (Jul–Sep)

      31 Oct

    • Form 140

      TDS and TCS

      TDS statement (resident non-salary), for Q2 FY 2026-27 (Jul–Sep)

      31 Oct

    • Form 138

      TDS and TCS

      TDS statement (salary), for Q2 FY 2026-27 (Jul–Sep)

      31 Oct

Dates are the statutory due dates from Comply’s compliance catalogue, which our team checks against official notifications. Some depend on your registration or on when an event is held; check the notification for your case. This page is information, not tax advice.