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GST due dates

CMP-08 due date

Composition tax payment. The quarterly statement-cum-challan a composition dealer pays tax with.

When it is due

Next dates

Everything due this month, for every kind of business →

Who files it

Composition scheme dealers.

Questions people ask

What is the due date for CMP-08?
GST, composition scheme: the 18th of January, April, July and October, for the quarter before. These are the statutory dates; the government sometimes extends one by notification.
What is CMP-08?
The quarterly statement-cum-challan a composition dealer pays tax with.
Who has to file CMP-08?
Composition scheme dealers.

Statutory due dates, checked on 23 September 2026 against the GST portal. When the government extends a deadline by notification, the extension is not shown here until we add it.

Only your dates, on your phone

Tell the filing calendar how your business files, and it lists every date that applies to you, CMP-08included, ready to add to your phone's calendar with a reminder. Free, no account.