CMP-08 due dates for 2026-27
A short statement of the quarter's turnover, with the composition tax paid alongside it: 1% for traders and manufacturers, 5% for restaurants, 6% for service providers.
- Who it applies to
- Businesses registered under the composition scheme.
- When
- The 18th of the month after each quarter.
- How often
- Every quarter
- If you miss it
- Interest at 18% a year on the tax paid late. Skip two quarters in a row and e-way bill generation is blocked.
Every CMP-08 date in this calendar
| For the period | Due date | For | Status |
|---|---|---|---|
| Jan–Mar 2026 | 18 April 2026Saturday | Composition dealers | |
| Apr–Jun 2026 | 18 July 2026Saturday | Composition dealers | |
| Jul–Sep 2026 | 18 October 2026Sunday | Composition dealers | |
| Oct–Dec 2026 | 18 January 2027Monday | Composition dealers | |
| Jan–Mar 2027 | 18 April 2027Sunday | Composition dealers |
What to keep ready
- Total sales for the quarter
- Purchases on which you owe tax under reverse charge
- Balance in the cash ledger for the tax due
Frequently asked questions
When is CMP-08 due in 2026-27?
The 18th of the month after each quarter.
Who does CMP-08 apply to?
Businesses registered under the composition scheme.
What happens if I miss CMP-08?
Interest at 18% a year on the tax paid late. Skip two quarters in a row and e-way bill generation is blocked.
Shown on the calendar for: composition dealers.
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