GSTR-4 and CMP-08 for composition taxpayers

CMP-08 — quarterly statement and payment

• Due by the 18th of the month after each quarter (18 July, 18 October, 18 January, 18 April).
• Declares outward turnover, inward supplies under reverse charge, and tax payable; pay the tax with it.
• Nil CMP-08 can be filed by SMS if there is no liability.

GSTR-4 — annual return

• Due by 30 April after the financial year.
• Summary of the year's turnover, tax paid through CMP-08, inward supplies (including from unregistered persons and RCM), and TDS/TCS credit.

Late fee

Late fee applies to both; GSTR-4 has reduced caps for nil and small returns.

Sources

• CGST (Amendment) Rules 2024: B2C large invoice threshold reduced to ₹1 lakh