Running a business in Australia requires adhering to many legal requirements, and one of the most crucial obligations is submitting your BAS (Business Activity Statement) on time.
Whether you’re a small business owner or managing a larger operation, understanding the importance of BAS lodgements is vital for maintaining compliance and avoiding costly penalties.

In this article, we will look at the reasons why BAS lodgements are essential, the potential consequences of late or inaccurate submissions, and the steps you can take to ensure your BAS lodgement process runs smoothly.
For more tips on how to streamline your tax process, feel free to check how my company handles BAS filings.
What is BAS and Why is It Important?
Understanding BAS Lodgements
A Business Activity Statement (BAS) is a crucial document that businesses in Australia use to report and pay their Goods and Services Tax (GST), pay-as-you-go (PAYG) instalments, and other tax obligations.
The BAS is submitted to the Australian Taxation Office (ATO) on a regular basis – typically quarterly or annually, depending on the size and structure of your business.
The BAS lodgement process involves reporting on various business activities, such as:
- GST collected from sales.
- GST paid on business expenses.
- PAYG tax withheld from employees’ wages.
- Other business tax liabilities, including fringe benefits tax (FBT) and wine equalisation tax (WET), if applicable.
The Importance of BAS Lodgements
BAS lodgements are critical for ensuring that your business remains compliant with Australian tax laws.
Failing to submit your BAS accurately and on time can lead to serious consequences, including penalties, interest charges, and potential audits. Timely BAS lodgement helps to avoid these issues, keeping your business on track financially and legally.
The Consequences of Late BAS Lodgements
1. Penalties for Late Lodgement
One of the most immediate consequences of failing to lodge your BAS on time is the potential for penalties. The ATO imposes penalties for late BAS lodgements, which can accumulate quickly if the issue isn’t addressed.
Penalty Structure
- Late Lodgement Penalty: The ATO imposes an initial penalty for late BAS lodgements, which can be as high as $222 (depending on the size and type of business) for each missed or overdue BAS submission.
- Ongoing Penalties: If the delay continues, the penalties may increase further, and the ATO may charge interest on the overdue amounts.
To avoid these escalating costs, it’s essential to stay organised and submit your BAS on time.
2. Interest Charges on Outstanding Tax Liabilities
In addition to penalties, the ATO will apply interest charges on any outstanding tax amounts if your BAS is lodged late. This means that not only will you owe the original tax amount, but you will also accrue additional costs over time.
- General Interest Charge (GIC): The GIC is applied to overdue tax amounts and is calculated daily. This means the longer the delay, the more interest you will accrue.
3. Risk of Audit
Failure to lodge your BAS correctly or on time can also increase the likelihood of an audit. The ATO uses BAS data to track businesses’ tax compliance, and discrepancies or missed lodgements can raise red flags.
An audit can be time-consuming and expensive, and it may uncover further issues with your tax filings.
4. Loss of Tax Deductions
When your BAS lodgement is delayed or incorrect, you risk missing out on legitimate tax deductions. Inaccurate reporting may result in lost opportunities to reduce your taxable income, potentially leading to overpaid taxes.
How to Avoid BAS Lodgement Penalties
1. Set a Reminder System for BAS Lodgement Dates
One of the most effective ways to avoid late lodgement penalties is to set up a reminder system that tracks your BAS due dates. Mark your calendar and make sure you know well in advance when your BAS is due.
Ways to Set Reminders
- Calendar Apps: Use your smartphone or computer calendar to set automated reminders.
- Accounting Software: Many accounting platforms integrate directly with the ATO and can automatically remind you when your BAS is due.
- Paper Calendar: If you prefer physical reminders, place a paper calendar in your office where you can easily track important due dates.
Setting up these reminders ensures that you stay on top of your BAS lodgements and avoid last-minute stress.
2. Work with an Accountant or Tax Professional
If managing your BAS lodgements seems overwhelming, consider working with a qualified accountant or tax professional. They can help ensure that your BAS is filed accurately and on time, reducing the risk of penalties and interest charges.
Benefits of Professional Assistance
- Accurate Lodgement: Accountants can ensure that your BAS is filled out correctly, reducing the risk of errors or misreporting.
- Timely Lodgement: Professionals can manage your BAS submissions on your behalf, ensuring deadlines are met.
- Tax Advice: Accountants can help you identify tax deductions and strategies to minimise your liabilities, making your BAS lodgement more efficient.
3. Use Online BAS Lodgement Services
The ATO allows businesses to lodge their BAS online via the Business Portal or through myGov for smaller businesses. These online services make it easier to complete your BAS form, track submission deadlines, and communicate directly with the ATO.
Advantages of Online Lodgement
- Convenience: Lodging your BAS online eliminates the need for paper forms and allows you to submit directly from your computer or mobile device.
- Integration with Accounting Software: Many accounting software platforms allow seamless integration with the ATO for direct BAS submissions, reducing the chances of errors.
- Instant Confirmation: You receive an immediate receipt or confirmation when your BAS is lodged, providing peace of mind.
Using the ATO’s online services can simplify the process and reduce the chances of missing a lodgement deadline.
4. Keep Your Financial Records Organised
Staying organised with your financial records is essential for completing your BAS quickly and accurately. This includes keeping track of your GST collected and paid, PAYG withholding, and other business-related taxes.
Tips for Organising Your Records
- Use Accounting Software: Accounting software helps track income and expenses in real-time, making it easier to generate your BAS report.
- Maintain Digital Copies: Scan and store receipts and invoices electronically to reduce the risk of losing important records.
- Regularly Update Records: Perform weekly or monthly checks to ensure your financial records are up-to-date, making BAS preparation less time-consuming.
By keeping your records well-organised, you can simplify the BAS lodgement process and reduce the risk of errors.
5. Apply for Extensions if Necessary
If you’re unable to meet a BAS lodgement deadline, you may be able to apply for an extension. The ATO may grant an extension under certain circumstances, such as serious illness or natural disasters.
How to Apply for an Extension
- Contact the ATO: You can request an extension by contacting the ATO directly. It’s essential to do this as soon as you realise you’ll miss the deadline.
- Provide Supporting Evidence: Be prepared to explain why you need an extension and provide supporting documentation, if applicable.
While extensions are available, it’s always best to lodge your BAS on time to avoid the need for extensions.
Conclusion
The importance of BAS lodgements cannot be overstated. They are not only vital for staying compliant with Australian tax laws, but they also help avoid penalties, interest charges, and potential audits.
By staying organised, using online tools, and seeking professional assistance, you can ensure your BAS lodgements are completed accurately and on time.
For businesses that want to avoid the headaches of non-compliance, implementing these strategies will ensure you stay on top of your obligations and remain financially healthy.
Frequently Asked Questions
What happens if I don’t lodge my BAS on time?
If you don’t lodge your BAS on time, you may face penalties, interest charges on overdue tax amounts, and even the risk of an audit. It’s important to lodge your BAS as soon as possible to avoid these issues.
Can I file my BAS online?
Yes, you can lodge your BAS online through the ATO’s Business Portal or via myGov for smaller businesses. Many accounting software platforms also offer direct integration with the ATO for easy BAS lodgement.
Can I apply for an extension on my BAS lodgement?
Yes, you can apply for an extension if you’re unable to meet the deadline due to certain circumstances. You’ll need to contact the ATO and provide any necessary documentation to support your request.