Sales & marketing tax deductions: what you can claim
What you can claim, what you cannot, and the records the ATO expects. Written in plain English and updated for the 2025–26 financial year.
What you can claim
- Vehicle — logbook for client visits.
- Phone — work portion.
- Home office.
- Professional development.
- Industry association fees.
- Client entertainment — only 50% and must have clear business purpose.
What you cannot claim
- Home to office.
- Personal clothing.
- Entertainment without business purpose.
Apportionment: the part most people get wrong
Vehicle logbook, phone diary. If an expense is part work and part personal, you claim the work percentage only, and the ATO expects you to show how you worked it out.
Records you need to keep
Logbook, receipts, diary of client entertainment purpose. A claim without a receipt or tax invoice behind it is a claim you may have to repay if the ATO asks.
Common questions
Logbook, receipts, diary of client entertainment purpose. Keep them for five years from when you lodge.
Vehicle logbook, phone diary. Claim the work proportion only.
100% entertainment claims. Solid receipts and logs are the answer to all of them.
Oscar already knows these rules
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