The ATO Targets FBT on Work Vehicles: Don't Let Assumptions Cost You

The ATO is turning up the heat on employers who provide work vehicles for private use. Sophisticated data-matching means assumptions and shortcuts can quickly lead to audits, penalties, interest charges—and even reputational damage. You can see the latest ATO FBT audit warning here: Misreporting FBT on personal use of work vehicles | Australian Taxation Office

If you provide vehicles to your team, whether to support fieldwork, boost morale, or offer a valuable perk, now is the time to ensure your FBT reporting is watertight. Here’s what the ATO is focusing on—and how to protect your business.

Don’t Assume Dual-Cab Utes Are Automatically Exempt

Dual-cab utes are popular in trades and construction, but despite popular opinion, they’re not automatically FBT-free.

Whether an FBT exemption applies can depend on the vehicle’s design and also how it is used across the FBT year.

Even if a ute is designed to carry a load of at least 1 tonne (ie, it is not classified as a car for FBT purposes) or it isn’t designed mainly to carry passengers (there is a specific formula used for this purpose) FBT could still be triggered if there is some private use of the ute.

The ATO has identified many cases where employers wrongly claimed full FBT exemptions, leading to back taxes plus interest.

The best way to handle ATO enquiries around the FBT exemption for commercial vehicles is to ensure that appropriate evidence is already in place to support the application of that exemption. While the FBT rules don’t specifically require formal logbooks when looking at this exemption, failing to keep records that are similar to a logbook can make it difficult to navigate ATO review or audit activities.

Accurately Apportion Private vs Business Use

If a full FBT exemption doesn’t apply then FBT is typically calculated on private use of work vehicles. You need to determine what portion of running costs—fuel, maintenance, depreciation—relates to personal trips. Ignoring this step can seem harmless but can quickly escalate during an audit.

Thorough record-keeping and proper apportioning can sometimes reduce your FBT liability even if the vehicle is used mainly for business purposes.

Remember that if a FBT liability is triggered it is the employer’s problem.

Lodging FBT Returns

Even if you think the FBT liability for the year might be small or immaterial, you might find that there is still an obligation to lodge an FBT return. The ATO’s analytics flag non-lodgers automatically. Penalties can reach up to 200% of the tax owed, plus interest.

Tip: Mark your calendar—FBT returns are due May 21 each year. Timely filing keeps your business compliant and avoids cash flow shocks.

Keep Reliable Logbooks and Records

A valid logbook tracks odometer readings, trip purposes, and business-use percentages over a 12-week period (renewable every five years). While not every scenario involving a motor vehicle specifically requires a valid logbook, failing to keep logbooks can sometimes lead to significant FBT liabilities that could otherwise have been avoided.

Efficiency tip: Digital logbook apps simplify tracking, save time, and reduce errors. Good records can also support deductions.

Why it Matters Commercially

Non-compliance isn’t just a numbers game. ATO audits divert time and energy from running your business, and ATO attention can affect your reputation with clients, partners, or lenders. Conversely, getting FBT right ensures you pay only what’s required, protects cash flow, and may even reveal tax efficiencies.

Next steps: Review your vehicle policies, update records, and ask us if you need help. If you have any questions about your FBT obligations or want to ensure your vehicle arrangements are compliant, feel free to reach out to our team for tailored guidance.

Remember: assumptions can be costly, but a proactive approach protects your business, your people, and your peace of mind.

Note: The material and contents provided in this publication are informative in nature only. It is not intended to be advice and you should not act specifically on the basis of this information alone.  If expert assistance is required, professional advice should be obtained