BAS Due Dates 2025–2026: Complete Guide for Australian Businesses
Every Australian business registered for GST must lodge a Business Activity Statement (BAS) with the Australian Taxation Office (ATO). Staying on top of BAS due dates is critical to avoid late penalties, manage cash flow, and keep your business compliant.
In this guide, we’ll break down all the BAS due dates 2025–2026, including quarterly, monthly, and annual lodgements, along with tips to simplify BAS reporting.
What Is BAS and Why Do Due Dates Matter?
The Business Activity Statement (BAS) is a tax report submitted to the ATO that records your business’s GST, PAYG instalments, PAYG withholding, and other taxes.
Missing your BAS lodgement due date can result in:
- Late lodgement penalties
- Interest charges on unpaid amounts
- Cash flow disruptions
That’s why it’s essential to know when BAS is due and lodge on time.
Quarterly BAS Due Dates 2025–2026
Most small businesses lodge BAS quarterly. Below are the official ATO BAS due dates for the 2025–2026 financial year.
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Quarterly BAS Due Dates 2025–2026 (Table)
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BAS Lodgement Options – How to Submit On Time
You can lodge your BAS in several ways:
- Online via myGov or ATO Business Portal
- Through your registered tax or BAS agent (often gives extended due dates)
- By paper lodgement (less common)
Why Choose VitalCS for BAS & Accounting Support
At Vital Corporate Solutions (VitalCS), we help Australian businesses stay compliant with BAS lodgement deadlines while saving time and reducing stress. Our experienced team provides:
- On-time BAS reporting (monthly, quarterly, or annual)
- Bookkeeping & GST compliance support
- ATO communication & penalty management
- End-to-end outsourcing services in accounting, administration, IT, and more
Partner with VitalCS to ensure your BAS statements are lodged on time so you can focus on growing your business.
Final Thoughts
Staying on top of BAS due dates 2025–2026 is crucial for every Australian business. Whether you lodge monthly, quarterly, or annually, missing deadlines can cost you.
With the right support and reminders, you’ll never have to worry about when BAS is due again.
