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Due dates for September 2027

GST, TDS, income tax, ROC, PF, ESI and professional tax deadlines that fall due in September 2027, and the period each one is for. Updated the day the government extends a date.

  • 22 due dates
  • GST7
  • TDS and TCS2
  • Income tax3
  • ROC and MCA1
  • PF, ESI and PT9

  1. 7 Tuesday, 7 September 2027

    • TCS deposit

      TDS and TCS

      Challan 281, for August 2027

    • TDS deposit

      TDS and TCS

      Challan 281, for August 2027

  2. 10 Friday, 10 September 2027

    • GSTR-7

      GST

      GSTR-7 (GST TDS deductors), for August 2027

    • GSTR-8

      GST

      GSTR-8 (e-commerce TCS), for August 2027

    • PT return

      PF, ESI and PT

      Professional tax, for August 2027. Telangana and Andhra Pradesh

  3. 11 Saturday, 11 September 2027

    • GSTR-1

      GST

      GSTR-1 (monthly filers), for August 2027

  4. 13 Monday, 13 September 2027

    • GSTR-6

      GST

      GSTR-6 (input service distributors), for August 2027

    • IFF

      GST

      Invoice Furnishing Facility (QRMP), for August 2027

  5. 15 Wednesday, 15 September 2027

    • Advance tax instalments

      Income tax

      Challan 280, for Q2 FY 2027-28 (Jul–Sep)

    • ECR (Form VII)

      PF, ESI and PT

      EPF return and payment, for August 2027

    • ESIC challan

      PF, ESI and PT

      ESIC contribution, for August 2027

    • PT return

      PF, ESI and PT

      Professional tax, for August 2027. Maharashtra

    • PT return

      PF, ESI and PT

      Professional tax, for August 2027. Gujarat

  6. 20 Monday, 20 September 2027

    • GSTR-3B

      GST

      GSTR-3B (monthly filers), for August 2027

    • Form XII

      PF, ESI and PT

      EPF abstract for contract workers (principal employer), for August 2027

    • PT return

      PF, ESI and PT

      Professional tax, for August 2027. Karnataka

  7. 21 Tuesday, 21 September 2027

    • PT return

      PF, ESI and PT

      Professional tax, for August 2027. West Bengal

  8. 25 Saturday, 25 September 2027

    • PMT-06

      GST

      PMT-06 tax payment (QRMP), for August 2027

  9. 27 Monday, 27 September 2027

    • AOC-4

      ROC and MCA

      AOC-4 financial statements, for FY 2026-27. One person company (180 days after the year end)

  10. 30 Thursday, 30 September 2027

    • Form 112

      Income tax

      Audit report of a charitable trust or institution, for Tax Year 2026-27

    • Form 26

      Income tax

      Tax audit report, for Tax Year 2026-27. Return due 31 October

    • PT return

      PF, ESI and PT

      Professional tax (half-yearly), for H1 FY 2027-28 (Apr–Sep). Tamil Nadu

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.