CMP-08 (composition quarterly statement-cum-challan): due dates
CMP-08 is a quarterly GST compliance. The dates below run from 22 October 2026 to the end of FY 2027-28, generated from the Charter statutory calendar, version 2026-09.
- Form
- CMP-08
- Frequency
- Quarterly
- Next due date
- 18 January 2027 (Q3 FY2026-27)
- Rule status
- Checked against the source
Who it applies to
- GST taxpayers on the composition scheme
Upcoming due dates, through FY 2027-28
Dates generated on 22 October 2026 from calendar version 2026-09. They are regenerated daily, and a date notified after that is not reflected until the rule is updated.
| Period | Due date |
|---|---|
| Due in financial year 2026-27 | |
| Q3 FY2026-27 | 18 January 2027Next |
| Due in financial year 2027-28 | |
| Q4 FY2026-27 | 18 April 2027 |
| Q1 FY2027-28 | 18 July 2027 |
| Q2 FY2027-28 | 18 October 2027 |
| Q3 FY2027-28 | 18 January 2028 |
Source and verification
CGST Rule 62(1): Composition scheme quarterly statement. Checked against the source on 17 September 2026.
FAQs
When is the CMP-08 (composition quarterly statement-cum-challan) due?
The next due date from 22 October 2026 is 18 January 2027, for Q3 FY2026-27. Every due date through FY 2027-28 is listed on this page.
Who has to comply with the CMP-08 due date?
GST taxpayers on the composition scheme.
Where does this due date come from?
CGST Rule 62(1): Composition scheme quarterly statement. Checked against the source on 17 September 2026.
Which notices follow a CMP-08 default or mismatch?
Scrutiny of returns (s.61, ASMT-10).
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This page lists statutory due dates for chartered accountants and is not legal advice. A notification or circular can move a date, so check the notified text before you file.