Obligation Guide
BAS and PAYG Due Dates Australia
Use this page when you need quarterly BAS and PAYG instalment timing and want the fastest route into the calendar view that matches sole trader and business obligations.
2025-26 & 2026-27 Quarterly calendar Agent concession Super deadlines
Quarterly Due Dates
Q1 (Jul–Sep) 28 October
Q2 (Oct–Dec) 28 February
Q3 (Jan–Mar) 28 April
Q4 (Apr–Jun) 28 July
Agent concession +4 weeks
Who this is for
Sole traders and businesses that need quarterly BAS and PAYG dates in one place, without opening a generic all-obligations calendar first.
What this page helps you do
→ Open BAS and PAYG dates in a filtered calendar state
→ Move from the due date view into BAS calculation or sole trader tax guidance
→ Use month pages when one quarter is especially deadline-heavy
Next steps
Start with the filtered BAS and PAYG calendar view. Then move into the BAS Calculator or sole trader tax guidance if you need to act on the date instead of just checking it.