Understanding key tax and superannuation dates is an important part of staying compliant and avoiding unnecessary stress. Whether you are an individual or a business owner, knowing what obligations are coming up and when allows you to plan ahead and manage cash flow with confidence.
Below is an overview of the main tax, BAS, PAYG and superannuation dates for the 2026 financial year. While this guide covers standard deadlines, individual circumstances may vary.
Quarterly BAS Due Dates
Businesses registered for GST are required to lodge Business Activity Statements (BAS) either quarterly or monthly. For most quarterly lodgers, the following BAS deadlines apply.
BAS Period | ATO Due Date | Pisani Group Extension |
July – September | 28 October | 25 November |
October – December | 28 February | 28 February |
January – March | 28 April | 26 May |
April – June | 28 July | 25 August |
To ensure timely lodgement, BAS information should be provided to our team at least three weeks prior to the due date. Extensions apply when lodgements are submitted through Pisani Group.
Quarterly Superannuation Due Dates
Employers are required to pay superannuation guarantee contributions for eligible employees each quarter. Meeting these deadlines is critical, as late payments can result in penalties and loss of tax deductibility.
Period | Super Due Date |
1 July – 30 September | 28 October |
1 October – 31 December | 28 January |
1 January – 31 March | 28 April |
1 April – 30 June | 28 July |
PAYG Instalments (If Applicable)
PAYG instalments apply to individuals and businesses earning investment or business income. If applicable, instalments are generally due quarterly on:
• 28 October
• 28 January
• 28 April
• 28 July
PAYG notices are issued by the ATO and are available through your myGov account or via your tax agent.
Why Planning Ahead Matters
Missing key tax or superannuation deadlines can lead to unnecessary penalties, interest charges and cash flow pressure. By understanding upcoming obligations early, you can plan payments, organise records and seek advice before issues arise.
How Pisani Group Can Help
Pisani Group supports individuals and businesses across South Australia with tax compliance, BAS lodgements, payroll and advisory services. If you are unsure which dates apply to you or would like support planning ahead for 2026, our team is here to help.
