Staying compliant with statutory, tax, GST, and corporate filing requirements is essential for every business operating in India. Missing a compliance deadline can result in penalties, interest charges, legal notices, and unnecessary disruptions to business operations.
To help startups, MSMEs, private limited companies, LLPs, and entrepreneurs stay on track, we have compiled the June Compliance Calendar 2026, covering all major GST, TDS, PF, ESI, Income Tax, and Corporate Compliance due dates.
Whether you're a startup founder, finance manager, accountant, or business owner, this guide will help you plan your compliance activities efficiently and avoid last-minute filing hassles.
Why Is Compliance Management Important for Businesses?
Business compliance is more than just meeting legal requirements. Timely filing and payment help organizations:
- Avoid penalties and late fees
- Maintain a strong compliance record
- Improve financial planning
- Enhance business credibility
- Prevent notices from regulatory authorities
- Ensure smooth business operations
June is particularly important because it includes GST filings, TDS obligations, advance tax payments, PF & ESI contributions, Form DPT-3 filing, and IEC renewal requirements.
June 2026 Compliance Calendar: Important Due Dates
7 June 2026 – TDS / TCS Payment for May 2026
Businesses that have deducted Tax Deducted at Source (TDS) or collected Tax Collected at Source (TCS) during May 2026 must deposit the amount with the government on or before 7 June 2026.
Applicable To:
- Companies
- Partnership Firms
- LLPs
- Proprietorship Businesses
- Employers deducting TDS
Failure to deposit TDS/TCS on time may attract interest and penalties under the Income Tax Act.
10 June 2026 – Professional Tax (PT) Payment on Salaries for May 2026
Employers registered under Professional Tax regulations must deposit professional tax deducted from employee salaries for May 2026.
Important For:
- Businesses employing staff
- Companies operating in states where Professional Tax is applicable
Timely payment helps avoid state-level penalties and compliance issues.
11 June 2026 – GSTR-1 Filing for May 2026
Registered taxpayers filing monthly GST returns must submit GSTR-1 for May 2026.
Purpose of GSTR-1:
- Reporting outward supplies
- Reporting taxable sales
- Reporting exports and B2B invoices
Accurate filing ensures proper input tax credit flow for customers and prevents GST mismatches.
13 June 2026 – GSTR-1 IFF Filing for QRMP Taxpayers
Taxpayers under the Quarterly Return Monthly Payment (QRMP) Scheme may optionally use the Invoice Furnishing Facility (IFF) to upload B2B invoices for May 2026.
Benefits:
- Faster ITC availability to customers
- Improved vendor compliance
- Better GST reconciliation
15 June 2026 – Advance Tax Payment (1st Installment) for FY 2026-27
The first installment of advance tax for Financial Year 2026-27 falls due on 15 June 2026.
Who Should Pay?
Taxpayers whose estimated tax liability exceeds ₹10,000 during the financial year.
Importance:
- Avoids interest under Sections 234B and 234C
- Helps manage tax liabilities throughout the year
- Supports better financial planning
Businesses should carefully estimate projected income and pay advance tax accordingly.
15 June 2026 – Provident Fund (PF) & ESI Payment for May 2026
Employers must deposit PF and ESI contributions for eligible employees for May 2026.
Includes:
- Employer contribution
- Employee contribution
- Required statutory filings
Timely payment ensures employee benefits remain uninterrupted and helps organizations avoid compliance penalties.
15 June 2026 – Issuance of TDS Certificates (Form 16 & Form 16A)
Businesses and employers must issue TDS certificates for the quarter January–March 2026.
Forms Covered:
- Form 16 (Salary TDS)
- Form 16A (Non-salary TDS)
These certificates are essential for taxpayers while filing their Income Tax Returns (ITR).
20 June 2026 – GSTR-3B Filing for May 2026
Monthly GST taxpayers must file GSTR-3B and pay applicable GST liabilities.
Key Details:
- Summary GST return
- Tax liability declaration
- Input Tax Credit (ITC) claims
- GST payment
Late filing attracts late fees and interest under GST regulations.
25 June 2026 – GST Challan Payment for Quarterly Filers
Taxpayers registered under the QRMP Scheme must make GST challan payments for May 2026 if available Input Tax Credit (ITC) is insufficient.
Applicable To:
- Quarterly GST filers
- QRMP taxpayers
Businesses should reconcile ITC before making payments.
30 June 2026 – Form DPT-3 Filing for FY 2025-26
Companies must file Form DPT-3 with the Registrar of Companies (ROC) regarding outstanding loans and deposits.
Applicable To:
- Private Limited Companies
- Public Limited Companies
Why Is DPT-3 Important?
Form DPT-3 is one of the most important annual ROC compliances. Non-filing can attract penalties and regulatory scrutiny from authorities.
30 June 2026 – TDS Payment Through Forms 26QB, 26QC, 26QD & 26QE
The due date for depositing TDS related to specified transactions for May 2026.
Forms Covered:
Form 26QB
TDS on Purchase of Immovable Property.
Form 26QC
TDS on Rent Payments.
Form 26QD
TDS on Contractor and Professional Payments by Certain Individuals or HUFs.
Form 26QE
TDS on Virtual Digital Asset (Cryptocurrency) Transactions.
Timely filing and payment help taxpayers avoid interest, penalties, and compliance notices.
30 June 2026 – IEC Code Renewal
Businesses involved in import-export activities must review and update their Import Export Code (IEC) details before the deadline.
Why Is IEC Renewal Important?
- Required for international trade activities
- Maintains active IEC status
- Prevents disruptions in import-export operations
- Ensures smooth customs clearance procedures
Exporters and importers should ensure all information is updated accurately and within the prescribed timeline.
June 2026 Compliance Calendar at a Glance
| Date |
Compliance Requirement |
| 7 June 2026 |
TDS / TCS Payment for May 2026 |
| 10 June 2026 |
Professional Tax (PT) Payment |
| 11 June 2026 |
GSTR-1 Filing |
| 13 June 2026 |
GSTR-1 IFF Filing (QRMP) |
| 15 June 2026 |
Advance Tax Payment (1st Installment) |
| 15 June 2026 |
PF & ESI Payment |
| 15 June 2026 |
Issuance of Form 16 & Form 16A |
| 20 June 2026 |
GSTR-3B Filing |
| 25 June 2026 |
GST Challan Payment (QRMP) |
| 30 June 2026 |
Form DPT-3 Filing |
| 30 June 2026 |
Forms 26QB, 26QC, 26QD & 26QE |
| 30 June 2026 |
IEC Code Renewal |
How NeuSource Startup Helps Businesses Stay Compliant
Managing multiple compliance deadlines can be challenging for startups and growing businesses. NeuSource Startup provides comprehensive compliance support services including:
- GST Registration & Return Filing
- Income Tax Compliance
- TDS Return Filing
- ROC Compliance Management
- Startup Registration Services
- PF & ESI Compliance
- Accounting & Bookkeeping
- Legal & Regulatory Advisory
Our experts help businesses remain compliant while allowing founders and management teams to focus on business growth and expansion.
Conclusion
The June Compliance Calendar 2026 includes several critical deadlines related to GST, TDS, Advance Tax, PF, ESI, ROC filings, and IEC renewal. Missing these due dates can result in financial penalties, interest liabilities, and regulatory complications.
Businesses should maintain a compliance calendar, reconcile accounts regularly, and prepare documentation well in advance to ensure smooth and timely filings.
By staying proactive and organized, startups and businesses can avoid compliance risks and focus on scaling their operations effectively.
Need assistance with GST, ROC, Tax, or Startup Compliance? Connect with NeuSource Startup and ensure your business remains compliant throughout the year.
Janki Gupta
The internet offers opportunity, but only strategy builds success. Don't just exist online—dominate. Choose Neusource to craft your digital footprint and lead your business to its peak.