Consumer Rights

CTP claims in Australia: how compulsory third party cover works

A CTP claim helps people injured in a motor vehicle accident get treatment and income support. Here is how compulsory third party cover works across Australia, who can claim, and why the time limits matter.

A car side mirror reflecting a quiet suburban Australian street
CTP cover sits behind every registered vehicle in Australia. · Blogbox illustration

A CTP claim is the way people injured in a motor vehicle accident in Australia access cover for things like medical treatment and lost income. It works through compulsory third party insurance, the personal-injury cover attached to your vehicle’s registration, and you lodge it with the relevant insurer or scheme authority along with medical evidence.

That is the short version. The detail matters, though, because the rules change depending on where you live and how serious the injury is. This guide walks through what CTP actually covers, who can claim, how the process tends to work, and why the time limits deserve your close attention.

What CTP insurance is

CTP stands for compulsory third party insurance. It is the cover that sits behind every registered vehicle on Australian roads, and in some states you buy it as a separate green slip when you register the car. Because it is compulsory, you cannot legally drive a registered vehicle without it.

The important thing to understand is what CTP is for. It covers people who are injured in a motor vehicle accident. It does not cover damage to vehicles or property. If your car is written off or your fence is flattened, that falls under a separate car insurance policy, not CTP. CTP is about people, not panels.

People, not property
What CTP covers

This is one of the most common points of confusion. A driver might assume their CTP green slip will fix their bumper. It will not. CTP exists to make sure that if someone is hurt, there is a fund to help with their recovery, regardless of the state of anyone’s bank account.

Every state runs its own scheme

There is no single national CTP system. Each state and territory operates its own scheme, with its own insurer arrangements, its own benefit structures, and its own rules about who gets what. This is why advice that works perfectly in one state can be wrong in another.

Broadly, many schemes now run on a largely no-fault basis. That means defined benefits, such as funding for treatment and a measure of income support, are available regardless of who caused the accident. On top of that, additional common-law damages may be available for more serious injuries where another party was negligent. The thresholds, the benefit amounts, and the way fault is treated all differ from place to place.

The scheme that applies to you is the one for the state where the accident happened, not where you live.

The rule of thumb, 2026

Because the schemes vary so much, two people with similar injuries can end up with different entitlements simply because of where the crash occurred. That is not a flaw you can argue your way around. It is how the system is built.

Who can make a CTP claim

A common myth is that CTP claims are only for drivers. They are not. The cover is designed to protect a wide range of road users who can be hurt when a vehicle is involved.

People who can generally make a CTP claim include:

  1. Drivers of a vehicle involved in the accident
  2. Passengers in any of the vehicles
  3. Pedestrians struck by a vehicle
  4. Cyclists involved in a collision with a vehicle
  5. Motorcyclists injured in a crash

In other words, you do not need to have been behind the wheel to claim. A pedestrian hit on a crossing, or a cyclist clipped by a turning car, can usually pursue a CTP claim just as a driver can. The connection that matters is that a motor vehicle was involved in causing the injury.

How the process usually works

While the detail differs by state, the general shape of a CTP claim tends to follow a similar path.

Lodging the claim

You start by lodging a claim with the relevant CTP insurer or the scheme authority that administers the system in that state. There is usually a defined form or process, and getting it in correctly and on time is the foundation of everything that follows.

Providing medical evidence

Your claim needs to be supported by medical evidence. This means seeing appropriate health professionals, keeping records of your treatment, and being able to show how the injury has affected you. The evidence is what links your injury to the accident and supports the level of benefits or damages you are seeking.

Benefits, then possibly damages

In a no-fault scheme, defined benefits for treatment and income support can begin flowing relatively early, without anyone first having to prove who was at fault. If the injury is more serious and another party was negligent, a separate common-law claim for damages may be possible. That part typically involves more assessment and, often, legal advice.

Review and disputes

Decisions made on a CTP claim can usually be reviewed or disputed. If a benefit is refused or you disagree with an assessment, there are generally avenues to challenge it. The exact mechanism depends on the state, which is another reason knowing your local rules matters.

Time limits are strict, and they vary

This is the part to take seriously. Time limits on CTP claims are strict, and they differ from state to state. Some steps must be taken within weeks of the accident, while others run to longer periods. Miss a deadline and you can lose the right to claim altogether, even if your injury is genuine and serious.

If you have been injured and think you might have a claim, the safest move is to find out where you stand early rather than late. A free, no-obligation eligibility check through a service like CompoCheck can be a sensible first step before deadlines start to bite.

For more serious injuries, getting proper advice is worth it. A lawyer can explain your entitlements under your state’s scheme, help you avoid the traps, and deal with the insurer on your behalf. Many personal injury lawyers work on a no win no fee basis, which can make advice more accessible than people expect. If you want a broader picture of how these matters fit together, our guides to car accident compensation cover the wider landscape.

A note on getting this right

CTP claims sit in territory where the stakes are real, so it is worth being clear about what this article is and is not. This is general information only. It is not legal or medical advice, and it cannot account for the facts of your situation.

Every claim is different. The rules and time limits vary by state and territory, the schemes are not the same from one place to the next, and the way fault and injury are assessed can change the outcome significantly. Strict time limits apply, and they can be unforgiving. For anything beyond general understanding, you should speak to a qualified lawyer who knows the scheme in your state and can advise on your specific circumstances.

The bottom line

A CTP claim is how injured road users in Australia access cover for treatment and income support after a motor vehicle accident. It runs through compulsory third party insurance attached to a vehicle’s registration, it covers people rather than property, and it is available not just to drivers but to passengers, pedestrians, cyclists, and motorcyclists.

The catch is that there is no single national system. Each state and territory runs its own scheme, many on a largely no-fault basis with common-law damages available for more serious injuries where someone else was negligent. The process generally means lodging with the right insurer or authority and backing your claim with medical evidence, and decisions can usually be reviewed if you disagree.

Above all, act early. Time limits are strict, they vary, and they can quietly close the door on an otherwise valid claim. Check your eligibility, understand your state’s rules, and for serious injuries, get qualified legal advice before the clock runs down.