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Compliance Calendar & Due Date Diary
Statutory Compliance Diary • FY 2026-27

Tax Due Date Diary &Compliance Calendar

Never miss a statutory tax filing deadline. Interactive schedule of Income Tax, GST, MCA ROC, TDS, and Payroll compliance dates with late penalty alerts and Google Calendar reminders.

Active Calendar YearFY 2026-27

Covers CBDT, CBIC, MCA V3, EPFO, and DGFT notifications for Private Limited, LLP, and Proprietorship entities.

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Deadlines for September(3 deadlines found)

15Sep 2026
Challan ITNS 280Income Tax / Advance TaxCBDT High Penalty

2nd Installment of Advance Tax (45% Cumulative)

Mandatory discharge of cumulative 45% of estimated tax liability for FY 2026-27.

Applicable To:Pvt Ltd / Public CoLLPProprietorshipIndividualTrust
Statutory Consequence: Interest @ 1% per month under Section 234C.(Income Tax Act 1961 Sec 211)
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30Sep 2026
Form DIR-3 KYC / Web KYCMCA / ROCMCA High Penalty

Mandatory Annual Director KYC (DIR-3 KYC)

Mandatory KYC verification for every individual holding a Director Identification Number (DIN) as on March 31.

Applicable To:Pvt Ltd / Public Co
Statutory Consequence: Deactivation of DIN + Mandatory late penalty fee of ₹5,000 per DIN.(Companies (Appointment & Qualification of Directors) Rules Rule 12A)
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30Sep 2026
Form 3CA / 3CB & Form 3CDIncome Tax / AuditCBDT High Penalty

Tax Audit Report Submission Under Section 44AB

Submission of formal Tax Audit Report by Practicing Chartered Accountant for entities with turnover exceeding statutory threshold.

Applicable To:Pvt Ltd / Public CoLLPProprietorship / Firm
Statutory Consequence: Penalty under Section 271B equal to 0.5% of total turnover, up to ₹1,50,000.(Income Tax Act 1961 Sec 44AB)
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Important Statutory Compliance Notes & Safe Harbors

MCA Additional Fees under Sec 403

Any delay in filing corporate annual returns (AOC-4, MGT-7, Form 11, Form 8) incurs an unavoidable statutory additional fee of ₹100 per day per form with zero upper ceiling.

Section 43B(h) MSME Disallowance

Payments to registered Micro and Small suppliers must be cleared strictly within 15 days (or 45 days under written agreement). Overdue amounts cannot be claimed as tax deductions for that FY.

GST Input Tax Credit (ITC) Deadlines

Input Tax Credit for any financial year must be claimed and invoice adjustments settled on or before November 30 of the subsequent year. Unclaimed ITC after this date is permanently forfeited.

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