October carries seven filings, with the audit-case income tax return and the transfer pricing report both due on the 31st.
For a company with international transactions this is the heaviest single date in the calendar — two annual filings, each depending on accounts that must already be final.
The night shift02:04 am
Current a/c ···4417 · 05 SepRENT UNIT 4₹40,000
01ReadsBank line captured
02MatchesInvoice ACM/0041
03BooksPosted by a trusted rule
04FlagsNothing unusual
05ChecksInspector agreed
October 2026 filings
7 due dates
07Wed
TDS / TCS monthly depositIncome Tax · Wednesday
Challan 281
11Sun
GSTR-1 monthly returnGST · Sunday
GSTR-1
15Thu
PF & ESI contributionLabour / PT · Thursday
ECR
20Tue
GSTR-3B monthly returnGST · Tuesday
GSTR-3B
21Wed
Professional tax depositLabour / PT · Wednesday
PT Challan
31Sat
Income tax return filing (audit cases)Income Tax · Saturday
ITR 6 / 7
31Sat
Transfer pricing audit reportIntl Tax / TP · Saturday
Form 3CEB
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 October applies to every business. Below is what binds each one, taken from the same rule set behind the compliance checker.
Applicability
7 filings
Challan 281
TDS / TCS monthly depositAny entity holding a TAN and deducting tax at source.
07 Oct
GSTR-1
GSTR-1 monthly returnAny entity registered for GST.
11 Oct
ECR
PF & ESI contributionAny entity running a payroll.
15 Oct
GSTR-3B
GSTR-3B monthly returnAny entity registered for GST.
20 Oct
PT Challan
Professional tax depositAny entity running a payroll.
21 Oct
ITR 6 / 7
Income tax return filing (audit cases)Private Limited Company, Public Limited Company and Listed Company.
31 Oct
Form 3CEB
Transfer pricing audit reportPrivate Limited Company, Public Limited Company and Listed Company.
31 Oct
What else lands in October
Alongside the five recurring monthly obligations, October carries 2 filings specific to this point in the year. After this, the next month-specific filing is gstr-9 annual return on 31 December 2026.
Specific to October
2 of 7 filings
31
Income tax return filing (audit cases)Income Tax · Saturday
ITR 6 / 7
31
Transfer pricing audit reportIntl Tax / TP · Saturday
Form 3CEB
Categories this month
4 areas
IT
Income Tax
2 filings
GST
GST
2 filings
PT
Labour / PT
2 filings
TP
Intl Tax / TP
1 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 October'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.