Compliance Calendar in the Month of March 2026

Introduction

March 2026 is an important compliance month for businesses as it includes regular monthly filings along with advance tax payment deadlines. Most returns relate to February 2026 transactions under GST, PF, ESI, and Income Tax laws. This compliance calendar highlights all key due dates falling in March 2026 to help businesses avoid last-minute penalties.

Important Due Dates of GST Returns – March 2026

Notes

• PMT-06 is mandatory for taxpayers under the QRMP scheme for February 2026 tax payment.
• There is no CMP-08 or quarterly GSTR-3B due in March 2026.
• Invoice Furnishing Facility is available until 13 March 2026.

Essential Due Dates of Income Tax / PF / ESI Compliance – March 2026

Notes

• Advance tax payment by 15 March covers 100 percent of total tax liability for FY 2025-26.
• PF and ESI payments must be deposited by the 15th without delay.
• No quarterly TDS return filing is due in March 2026.

Penalty for Late Filing of GSTR-3B

• ₹50 per day (₹25 CGST + ₹25 SGST).
• ₹20 per day for nil returns.
• Interest at 18 percent per year on unpaid tax.
• Late fee caps apply as per CBIC notifications.

Conclusion  

March 2026 includes key monthly GST filings along with advance tax payment obligations. Businesses must plan GSTR-1, GSTR-3B, PF, ESI, TDS deposits, and advance tax payments on time to close the financial year without compliance gaps. Regular monitoring of official portals like www.gst.gov.in, www.incometax.gov.in, www.epfindia.gov.in, and www.esic.gov.in helps avoid last-minute issue

Suggested Read :

Compliance Calendar for February 2026
Compliance Calendar for January 2026
GST Compliance Calendar for FY 2025-26
LLP Compliance Calendar FY 2025-26

FAQs on Compliance Calendar March 2026