Skip to content

Month 5 of 12 · Q2 (July – September)

Compliance due dates: August 2026

August returns to the five recurring obligations only.

It sits between the July return deadline and the September audit deadline, and is generally where audit fieldwork happens rather than where anything is filed.

August 2026 filings

5 due dates

07Fri
TDS / TCS monthly depositIncome Tax · Friday
Challan 281
11Tue
GSTR-1 monthly returnGST · Tuesday
GSTR-1
15Sat
PF & ESI contributionLabour / PT · Saturday
ECR
20Thu
GSTR-3B monthly returnGST · Thursday
GSTR-3B
21Fri
Professional tax depositLabour / PT · Friday
PT Challan

Weekdays shown are the calendar day each date falls on. We do not adjust dates for weekends or holidays — ask us if a date falls awkwardly for you.

Who has to file these

Not every filing in August applies to every business. Below is what binds each one, taken from the same rule set behind the compliance checker.

Applicability

5 filings

Challan 281
TDS / TCS monthly depositAny entity holding a TAN and deducting tax at source.
07 Aug
GSTR-1
GSTR-1 monthly returnAny entity registered for GST.
11 Aug
ECR
PF & ESI contributionAny entity running a payroll.
15 Aug
GSTR-3B
GSTR-3B monthly returnAny entity registered for GST.
20 Aug
PT Challan
Professional tax depositAny entity running a payroll.
21 Aug

Nothing annual falls due in August

Every filing in August 2026 is one of the five that repeat each month. No annual, half-yearly or quarterly obligation in our dataset falls in this month — the next is tax audit report filing on 30 September 2026.

Categories this month

3 areas

IT
Income Tax
1 filings
GST
GST
2 filings
PT
Labour / PT
2 filings

These are the obligations we track for the standard statutory position. Sector rules, state-level professional tax and one-off events can add to them, and extensions can move a date. Ask us before relying on this for a filing.

Want August's filings handled for you?

Send us your entity type and registrations. We will confirm which of these apply and take the filing off your desk.