With the start of the new financial year FY 2026–27, April emerges as a critical month for compliance from both Income Tax and GST perspectives. Businesses, professionals, and tax practitioners must stay on top of key deadlines to avoid interest, penalties, and potential notices.

🗓️ Compliance Timeline & Important Dates for April 2026

April sets the tone for the entire financial year, making it essential to ensure:

• Timely GST return filings (GSTR-1, GSTR-3B, etc.)
• Deposit of TDS/TCS within due dates
• Proper documentation and reconciliation of transactions
• Early planning for advance tax and regulatory compliances
  

  Compliance Calendar – April 2026 (Complete Guide)

  

  

  

  5

  This article provides a comprehensive compliance calendar for April 2026, covering GST, Income Tax (TDS/TCS), PF, ESI, MCA, and other key regulatory requirements.

  ---

  🔰 Important Update from 1 April 2026

  With the beginning of FY 2026–27, several critical changes come into effect:

  • Reset of aggregate turnover under GST
  • Adoption of a new invoice series
  • Applicability of provisions under the Income Tax Act, 2025
  • Revised TDS/TCS rates (where applicable)
  • Start of a fresh compliance cycle for all taxpayers

  ---

  💰 Income Tax Compliance (TDS/TCS)

  📌 7 April 2026

  • Deposit of TCS for March 2026
  • Submission of declarations (Form 27C)

  📌 14 April 2026

  • Issue of TDS certificates:
    • Form 16B (property)
    • Form 16C (rent)
    • Other applicable certificates

  📌 30 April 2026

  • Deposit of TDS for March (non-government deductors)
  • Filing of:
    • Form 26QB (property transactions)
    • Form 26QC (rent payments)
    • Form 26QD (specified payments)

  ---

  📊 GST Compliance

  April is a high-volume GST compliance month due to both monthly and quarterly filings:

  📌 10 April 2026

  • GSTR-7 (TDS under GST)
  • GSTR-8 (E-commerce operators)

  📌 11 April 2026

  • GSTR-1 (Monthly – March 2026)

  📌 13 April 2026

  • GSTR-1 (QRMP – Jan–Mar quarter)
  • GSTR-5 (Non-resident taxable persons)
  • GSTR-6 (Input Service Distributor)

  📌 18 April 2026

  • CMP-08 (Composition scheme)

  📌 20 April 2026

  • GSTR-3B (Monthly filers)

  📌 22 & 24 April 2026

  • GSTR-3B (QRMP scheme)

  📌 25 April 2026

  • ITC-04 (Job work return)

  📌 28 April 2026

  • GSTR-11 (UIN holders)

  📌 30 April 2026

  • GSTR-4 (Annual return for composition dealers – FY 2025–26)

  ---

  👨‍💼 PF & ESI Compliance

  📌 15 April 2026

  • Deposit of Provident Fund (PF)
  • Filing of ECR (Electronic Challan-cum-Return)
  • Deposit of ESI contributions

  ---

  🏢 MCA / Companies Act Compliance

  While April has no major fixed ROC due dates, it remains important for:

  • Planning annual compliance strategy
  • Conducting the first Board Meeting (if applicable)
  • Reviewing statutory registers and disclosures

  ---

  🌍 Other Key Compliance

  📌 7 April 2026

  • Filing of ECB-2 Return (foreign borrowings under FEMA)

  📌 15 April 2026

  • Submission of Form 15CC (foreign remittance compliance)

  ---

  ✅ Final Takeaway

  April is not just the start of a new financial year—it’s a foundation month for compliance discipline. Staying updated with deadlines across GST, Income Tax, and other laws helps:

  • Avoid penalties and interest
  • Ensure smooth operations
  • Build a strong compliance track record for the year ahead