Step By Step Guide to Filing GST CMP-08
CMP-08 is a simplified quarterly return form for composition dealers under the GST Composition Scheme . This guide explains who should file CMP-08, due dates, the step-by-step process, penalties for late filing, and how accounting software can help.
What is CMP-08?
CMP-08 is a quarterly return form used to declare sales and pay tax under the GST Composition Scheme. It replaces quarterly GSTR-4 filings and is mandatory for composition taxpayers.
Now, CMP-08 is filed every quarter, and GSTR-4 is filed only once at the end of the financial year.
Who Should File CMP-08?
- Registered under GST Composition Scheme
- Annual turnover ≤ ₹1.5 crore (or ₹75 lakh in special category states)
- Service providers under the special ₹50 lakh limit composition scheme
Businesses must also ensure they meet eligibility conditions outlined under the GST regime .
Due Dates for Filing CMP-08
| Quarter | Months Covered | Due Date |
|---|---|---|
| Q1 | April to June | 18th July |
| Q2 | July to September | 18th October |
| Q3 | October to December | 18th January |
| Q4 | January to March | 18th April |
Filing on time avoids late fees and interest penalties under GST provisions.
Step-by-Step Process to File CMP-08
- Step 1: Visit gst.gov.in and log in
- Step 2: Go to Services → Returns → Returns Dashboard
- Step 3: Select financial year and return filing period → Click “Search”
- Step 4: Click “Prepare Online” next to CMP-08
- Step 5: Enter outward supplies and nil-rated/exempted sales
- Step 6: Pay tax via cash or credit ledger → Click “Proceed to File”
- Step 7: File using DSC or EVC → Download acknowledgment
Late Filing Penalty
- ₹200 per day of delay (₹100 CGST + ₹100 SGST)
- Maximum late fee capped at ₹5,000
- Interest at 18% per annum on tax amount due
Tip: Always maintain a buffer in your Input Tax Credit (ITC) and ledger balances to avoid default.
CMP-08 vs GSTR-4: Know the Difference
| Feature | CMP-08 | GSTR-4 |
|---|---|---|
| Type | Quarterly summary return | Annual return |
| Filing Frequency | Every quarter | Once a year |
| Details Required | Sales and tax payment | Sales, purchases, tax liability summary |
While CMP-08 handles quarterly tax payments, GSTR-4 ensures annual reporting of all composition scheme activities.
Benefits of Filing CMP-08
- Simplifies tax compliance for small businesses
- No need for detailed invoice-level data
- Reduces compliance burden and cost
- Helps avoid late fee penalties
Using software like BUSY GST Accounting Software makes CMP-08 filing even easier.
Explore All BUSY Calculators for Easy GST Compliance
Conclusion
CMP-08 filing is crucial for businesses under the Composition Scheme . Filing it on time helps maintain compliance, reduce penalties, and ensure smooth GST management. Use accounting software to stay ahead of deadlines and avoid manual errors.
As a Chartered Accountant with over 12 years of experience, I am not only skilled in my profession but also passionate about writing. I specialize in producing insightful content on topics like GST, accounts payable, and income tax, confidently delivering valuable information that engages and informs my audience.