Mastering BAS Lodgement in Australia: A Stress-Free Guide for Business Owners
BAS lodgement in Australia is an essential task for business owners, but it doesn’t have to be overwhelming or complicated. As a business owner, understanding how to correctly prepare and lodge your Business Activity Statement (BAS) can save you time, reduce stress and help you maintain compliance with the Australian Taxation Office (ATO). We’ve put together this comprehensive guide to help you navigate the BAS process with confidence.
What is a BAS and Why Does It Matter?
A Business Activity Statement (BAS) is a form that qualifying businesses must submit to the ATO to report their tax obligations. It serves as a summary of your financial activity over a specific period, allowing you to report and pay various tax liabilities on a single form at the same time.
Your BAS typically includes:
- Goods and Services Tax (GST) collected and paid
- Pay As You Go (PAYG) withholding for employees
- PAYG income tax instalments
- Fringe Benefits Tax (FBT) instalments (where applicable)
- Other taxes such as Luxury Car Tax, Wine Equalisation Tax, and Fuel Tax Credits (if relevant to your business)
Why does it matter? Simply put, lodging your BAS correctly and on time keeps you compliant with tax requirements and helps you maintain a good relationship with the ATO. It also gives you regular insights into your business’s financial health, which is invaluable for making informed decisions about your operations.
Who Needs to Lodge a BAS and When?
Registration Requirements
You must register for GST and lodge a BAS if:
- Your business has a GST turnover of $75,000 or more per financial year
- Your non-profit organisation has a GST turnover of $150,000 or more per financial year
- You’re a taxi or ride-sharing driver (regardless of turnover)3
Lodgement Frequency and Due Dates
How often you need to lodge depends on your business size:
Quarterly Lodgement – Most common for businesses with GST turnover under $20 million
- July to September quarter: due by 28 October
- October to December quarter: due by 28 February
- January to March quarter: due by 28 April
- April to June quarter: due by 28 July
Monthly Lodgement – Required for businesses with GST turnover of $20 million or more
- Due by the 21st day of the following month (e.g., July BAS is due by 21 August)
Annual Lodgement – Available for businesses that are voluntarily registered for GST with turnover under $75,000
- Due by 31 October
Preparing Your BAS: A Step-by-Step Approach
Accurate bookkeeping is the foundation of stress-free BAS lodgement. If your records are up to date, preparing your BAS becomes a straightforward process rather than a scramble each quarter. Many Australian business owners outsource bookkeeping to save time and reduce the risk of errors. On average, small-to-medium businesses in Australia spend between $5,000 and $12,000 per year on bookkeeping services, depending on transaction volume, payroll, and how much support is needed. A typical cost for a business with moderate complexity is around $8,000-9,000/year.
While this may seem like a significant cost, investing in bookkeeping pays off by keeping your BAS records accurate, helping you avoid ATO penalties, and giving you clear financial insights for decision-making. It also ensures that all GST, PAYG, and expense data is captured correctly, reducing stress when deadlines approach.
Step 1: Get Your Records in Order
Before starting your BAS, gather these essential documents:
- Sales invoices and income records
- Purchase receipts and expense information
- Bank statements
- Employee wage records
- Previous BAS statements
Having a good bookkeeping system makes this step much easier. We recommend using accounting software that can track your GST automatically.
Step 2: Verify Your GST Registration Status
Confirm your GST registration status through the Australian Government Business Register or your myGov Business account before completing your BAS. This prevents potential errors or penalties.
Step 3: Access the BAS Form
You can access your BAS form through:
- ATO’s Business Portal
- Your myGov account
- SBR-enabled accounting software
- Through your registered tax or BAS agent (that’s us!)
Step 4: Calculate Your GST Amounts
There are two ATO-approved methods for calculating GST:
Standard Method
Calculate the exact GST on sales and purchases by:
- Adding up GST collected on sales (output tax)
- Adding up GST paid on business purchases (input tax)
- Subtracting input tax from output tax to find the net amount
Simplified Method
For eligible small businesses, you can:
- Calculate GST on sales as usual
- Use a simplified calculation for GST credits on purchases (often by using a flat percentage)
The standard formula for calculating GST on sales is to divide the total (GST-inclusive) amount by 11. For example, if your sales total $11,000, the GST component would be $1,000.
Step 5: Report PAYG Withholding
If you have employees, include the PAYG withholding amount—the tax you’ve withheld from payments to employees during the reporting period.
Step 6: Double-Check Everything
Before lodging, review all figures carefully. Common mistakes include:
- Transposing numbers
- Incorrectly calculating GST
- Forgetting to include all sales or purchases
- Missing tax withheld from wages
Lodging Your BAS: Options and Tips
You can lodge your BAS through:
- Online lodgement: Through myGov, the ATO Business Portal, or myGovID
- Tax or BAS agent: We can manage this for you, taking the stress out of the process
- Mail: By completing a paper form (though online methods are faster and more efficient)
What If You Make a Mistake?
Don’t panic if you discover an error after lodging your BAS. You can:
- Correct it in your next BAS (for certain types of errors)
- Revise the original BAS online through the business portal or myGov
- Request a revision form from the ATO if you lodged by post
Key Takeaways for BAS Success
- Stay organised: Keep good records of all sales and purchases throughout the quarter
- Set aside GST: Put aside the GST portion of your sales to avoid cash flow issues when payment is due
- Know your due dates: Mark BAS due dates in your calendar to avoid late lodgement penalties
- Consider using accounting software: This makes tracking GST much easier
- Seek professional help: A registered BAS agent or accountant can save you time and reduce errors
Understanding and properly managing your BAS obligations is an important part of running a successful Australian business. With the right systems and support, it can become a straightforward part of your business routine rather than a quarterly headache.
Disclaimer
All information provided in this publication is of a general nature only and is not personal financial or investment advice. It does not take into account your particular objectives and circumstances. No person should act on the basis of this information without first obtaining and following the advice of a suitably qualified professional. To the fullest extent permitted by law, no person involved in producing, distributing or providing the information in this publication (including ACT TAX GROUP PTY LTD, each of its directors, councilors, employees and contractors and the editors or authors of the information) will be liable in any way for any loss or damage suffered by any person through the use of or access to this information. The Copyright is owned exclusively by ACT TAX GROUP PTY LTD (ABN 31634338088)
