No. BAS reports particular business tax obligations during the year, while an income tax return reports income, deductions and other information for the income year. A business can need both.
What this means in practice
The figures are connected through your accounting records, but the forms serve different purposes. GST on purchases is not the same as an income tax deduction. Reporting methods and timing can also differ. Reconciled bookkeeping helps your advisers explain differences and prepare both sets of obligations consistently. Keep copies of lodged statements and returns so year end work can be checked against what was reported earlier.
Your next steps
- Keep BAS and income tax records together
- Reconcile GST balances
- Identify year end adjustments
- Ask about differences before assuming an error
Get help with the next step
If this relates to your business, tell us about your current records and the task you need help with. We can explain our service scope and the information needed before work starts.
Official guidance: ATO: Business activity statements ↗
General information prepared on 26 September 2026. Rules and individual circumstances can change. Confirm the treatment that applies to you before acting.
Prepared by the Affordable Bookkeeper content team. Our services and practitioner arrangements.