October 31 Tax Deadline 2026: What to Do Now?

It’s September, which means one thing on every Australian accountant’s calendar: the clock is ticking down to 31 October — the ATO’s cut-off date for anyone lodging their own 2025–26 tax return. Because the 31st falls on a Saturday this year, the effective deadline shifts to Monday 2 November 2026, but don’t let that extra weekend fool you into thinking you’ve got plenty of time.

If you’re one of the many self-lodgers in Narre Warren, Berwick, Hampton Park or the surrounding South East Melbourne suburbs who hasn’t got around to it yet, here’s exactly what you need to know — and why getting a tax accountant in Narre Warren on your side now can save you money, stress and a very avoidable ATO penalty.

What Happens If You Miss the Deadline

The ATO doesn’t quietly let late returns slide. If you’re required to lodge and you miss the 31 October cut-off:

A Failure to Lodge (FTL) penalty applies — currently around $364 for every 28-day period (or part thereof) your return is overdue, up to a maximum of five penalty units (roughly $1,920) for individuals
The penalty applies to you, not to a running ATO balance — and it doesn’t disappear once you finally lodge
If you have a tax bill, payment is still due by 21 November, regardless of when you actually lodge — delaying your return does not buy you extra time to pay
The ATO can remit the penalty in some cases, but only where there’s a genuine reason for the delay and you act promptly once you’re aware of it

The good news: none of this is inevitable, and it’s entirely avoidable with a bit of planning in the next few weeks.

The Simple Way to Buy Yourself More Time

Here’s the part most people don’t realise: the October 31 deadline only applies if you’re lodging yourself.

If you engage a registered tax agent — and you’re on their client list before 31 October — you generally move onto the tax agent lodgment program, which can push your effective deadline out as far as 15 May 2027. That’s an extra six and a half months to get your affairs in order, without a hint of a late lodgment penalty.

The catch: you need to actually be registered with the agent before the deadline hits. Turning up on 1 November and hoping for the extension won’t work. If you’ve been putting off your return, now is the window to act, not late October.

Why This Matters More for Healthcare Workers and Small Business Owners

As a healthcare accountant in Narre Warren, we see a particular pattern every spring: nurses, doctors, allied health workers and practice owners who’ve had a busy year and simply haven’t had time to gather payslips, deduction receipts, AHPRA fees, CPD costs and equipment invoices. Add locum income from multiple sources, ABN-based contracting, or a small practice structure, and a “simple” tax return quickly becomes something you don’t want to rush through in the last week of October.

Getting on top of it now — while there’s still breathing room — means:

Time to properly claim everything you’re entitled to (uniforms, registrations, CPD, equipment, work-related travel) instead of guessing under pressure
No risk of an ATO “please explain” from a rushed, copy-pasted claim that doesn’t match your actual circumstances
The option to lock in the extended May 2027 lodgment date by registering with us before the deadline

What to Do in the Next Few Weeks

Gather your records now — income statements, bank interest, private health insurance details, and receipts for work-related deductions
Check your pre-fill data — most information is usually “tax ready” by late July, but always confirm interest, dividends and government payments have appeared correctly
Decide how you’re lodging — self-lodge before 31 October/2 November, or get onto a registered tax agent’s books before that date to access the extended deadline
Don’t wait until the last week — rushed returns are exactly where the ATO’s data-matching and AI-driven checks tend to flag mistakes

Talk to Rick & Mon Accountants Before the Deadline Hits

At Rick & Mon Business Consultants, we help healthcare professionals, small businesses and tradespeople across Narre Warren and the South East Melbourne region get their tax return done properly — not rushed. As a registered tax agent and healthcare accountant in Narre Warren, we can get you onto our client list before 31 October, take the pressure off, and make sure you claim everything you’re entitled to.

Book your appointment now — the earlier you get in touch, the more time we have to get your return right.