Good record-keeping is boring right up until the ATO asks a question you can't answer. Then it becomes the difference between a quick reply and an expensive problem. The rules aren't complicated, they just need to be followed consistently.
Keep records for five years
The ATO generally requires you to keep your business records for five years from when you lodge the relevant return. That covers receipts, invoices, bank statements, and anything supporting what you claimed.
Digital is fine
You don't need a shoebox of paper. Photos or scans of receipts are accepted as long as they're clear and complete. A dedicated folder or an app that captures receipts as you go beats hunting for faded thermal paper a year later.
If you can't prove it, you can't claim it
A deduction without a record behind it is a deduction at risk. The expense might have been completely legitimate, but if you can't show the ATO the proof, they can disallow it. The receipt is what makes the claim real.
Keep business and personal separate
Running everything through a dedicated business account makes your records cleaner and your life easier. Mixed accounts are where deductions get missed and where reviews get complicated.
The bottom line
Record-keeping is cheap insurance. A little discipline through the year means that if questions ever come, you have the answers ready. If your current system is a mess of paper and guesswork, getting it onto something simple and consistent is worth doing before tax time, not during it.
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