BAS Due Dates: A Simple Guide for Victorian Small Businesses
18 April 2026 · 6 min read
If you run a GST-registered business in Wallan or anywhere in the Mitchell Shire, your Business Activity Statement (BAS) is a regular fact of life. Miss a deadline and you risk penalties and interest — so here’s a simple guide to staying on track.
Quarterly BAS due dates
Most small businesses lodge quarterly. The standard due dates are:
- Quarter 1 (Jul–Sep): due 28 October
- Quarter 2 (Oct–Dec): due 28 February
- Quarter 3 (Jan–Mar): due 28 April
- Quarter 4 (Apr–Jun): due 28 July
Good news: when you lodge through a registered BAS or tax agent like us, you usually receive an automatic extension of around four extra weeks on most quarters.
Monthly BAS
If you lodge monthly, your BAS is generally due on the 21st of the following month.
What happens if you’re late?
The ATO can apply a "failure to lodge on time" penalty plus interest on amounts owing. If you’ve fallen behind, don’t panic — we can bring overdue statements up to date quickly and, in many cases, request a remission of penalties.
Never miss a deadline again
We handle BAS and GST for businesses throughout the region — preparing, reviewing and lodging on time, every time, with reminders so nothing slips through. Call Shannon on 0430 339 398 to take BAS off your plate for good.