Tax Returns  
Individual Tax Return
Capital Gains Tax Return
Rental Property Tax Return
Sole Trader Tax Return
Company Tax Return
Trust Tax Return
Partnership Tax Return
SMSF Tax Return
Late & Multiple Tax Returns
BAS Returns
Bookkeeping
Accounting
Approach
Online Tax Agent
Mobile Tax Agent
Blog
Contact Us

BAS Lodgement Due Dates

Tue, 9 Sep 2025
When Do I have to Lodge my BAS Return?

BAS lodgement due dates

Here’s a clear table of BAS lodgement due dates for both monthly and quarterly reporting cycles for the 2025–2026 financial year, based on the latest ATO and tax agent guidance:

Quarterly BAS Lodgement Due Dates

QuarterPeriod CoveredStandard Due DateDue Date when Lodged by a Tax Agent
Q1July – September28 October 202525 November 2025
Q2October – December28 February 2026No extension
Q3January – March28 April 202626 May 2026
Q4April – June28 July 202625 August 2026

Note: Extensions apply if you lodge through a registered tax agent. Q2 already includes a built-in extension.

Monthly BAS Lodgement Due Dates

MonthDue Date
July 202521 August 2025
August 202521 September 2025
September 202521 October 2025
October 202521 November 2025
November 202521 December 2025
December 202521 January 2026
January 202621 February 2026
February 202621 March 2026
March 202621 April 2026
April 202621 May 2026
May 202621 June 2026
June 202621 July 2026

Note: If the due date falls on a weekend or public holiday, you have until the next business day to lodge and pay.

Our Company
About Us
Contact Us
Our Services
Individual Tax Returns
Capital Gains Tax Returns
Rental Property Tax Returns
Sole Trader Tax Returns
BAS Returns
Company Tax Returns
Trust Tax Returns
Partnership Tax Returns
SMSF Tax Returns
Accounting Services
Xero Bookkeeping
Late & Multiple Tax Returns 
Our Approch
Online Tax Agent
Mobile Tax Agent
Our Pricing
Pricing
Our address

Suite 3
66-68 Florence Street
Hornsby NSW 2077

PO Box 2316
Hornsby Westfield NSW 1635

© 2025 Tax Logic | Sydney Tax Agent & Sydney Accountants

Website by WebAlive

Resources

Blog