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Motor Accident Injuries Act 2017: Key Changes for CTP Claims in Greater Sydney

The Motor Accident Injuries Act 2017 introduced a new injury-based framework for CTP claims in Greater Sydney, replacing the old fault-based system. Key changes include a formal threshold for damages, limits on benefits after 52 weeks for threshold injuries only, and a focus on medical evidence. Claimants must provide clear documentation of injury and impact on daily life to access entitlements.

Current as at 19 June 2026

What Changed in NSW CTP Law After the 2017 Reforms?

The Motor Accident Injuries Act 2017 (MAIA) replaced the previous Motor Accidents Compensation Act 1999 and introduced a new framework for compensating people injured in motor accidents across New South Wales, including Greater Sydney. The reforms aimed to streamline access to benefits, improve transparency, and ensure compensation is proportionate to injury severity. Key changes include a new threshold for claiming damages, a focus on early intervention and rehabilitation, and a structured approach to determining entitlements based on injury type and impact on daily life.

How the 2017 Reforms Changed CTP Claims in Greater Sydney

Under the MAIA, CTP claims in Greater Sydney are now governed by a single, consistent legal framework. The reforms introduced a formal classification of injuries, with a distinction between threshold injuries and non-threshold injuries. A threshold injury is defined as a permanent impairment of at least 10% of the whole person, or a permanent impairment of 5% or more that results in a significant and permanent impact on daily life, including the ability to work, perform household tasks, or participate in social or recreational activities.

The MAIA also established a new system for statutory benefits. These include treatment and care benefits, weekly income payments, and lump sum compensation for non-threshold injuries. The scheme limits the duration of weekly income payments and treatment benefits to 52 weeks if the only injuries sustained are threshold injuries, unless a medical practitioner certifies that the injury has not stabilised or that ongoing treatment is required.

What Practical Impacts Have the 2017 Reforms Had on Claimants?

The reforms have shifted the focus from fault-based claims to a more structured, injury-based system. In Greater Sydney, claimants now receive statutory benefits more quickly, provided they meet the eligibility criteria. However, the threshold for claiming damages has become more restrictive. A claimant must now demonstrate that their injuries exceed the threshold to access damages for pain and suffering, loss of enjoyment of life, and future care needs.

For example, a pedestrian struck by a car in Sydney’s inner west may be eligible for treatment and care benefits and weekly income payments if they sustain a soft tissue injury to the neck or back. But if the injury is classified as a threshold injury, and no other non-threshold injuries are present, the claim for damages may be barred unless the injury causes a permanent impairment of 10% or more, or a significant and permanent impact on daily function.

What Evidence Matters in a Post-2017 CTP Claim?

To establish entitlement under the MAIA, claimants must provide medical evidence that clearly links the injury to the accident. This includes reports from treating medical practitioners, imaging results (such as MRI or CT scans), and assessments of whole person impairment (WPI) conducted by an independent medical assessor. The Motor Accident Guidelines, issued by SIRA, set out the clinical criteria for determining whether an injury qualifies as a threshold injury.

Other evidence that may be relevant includes a police report, witness statements, photographs of the accident scene or vehicle damage, and records of lost income. Claimants should preserve all documentation related to treatment, time off work, and out-of-pocket expenses such as travel to medical appointments or home modifications.

Time Limits and Dispute Options

A claim for statutory benefits must be made within 3 years of the accident date. For claims seeking damages, the time limit is also 3 years, but the claim must be issued in the Supreme Court within that period. If a claim is disputed, the insurer may issue a formal notice of dispute, and the claimant may request a review from SIRA or apply to the NSW Civil and Administrative Tribunal (NCAT) for a determination.

In Greater Sydney, where traffic density and accident frequency are higher, timely reporting and documentation are particularly important. Delays in notifying the insurer or seeking medical treatment may affect the assessment of the claim, especially if the insurer argues that the injury was not caused by the accident or that the claimant failed to mitigate losses.

When to Seek Independent Advice

The MAIA introduces complex legal and medical criteria that can affect eligibility for benefits and damages. While the reforms aim to simplify the process, they also create new hurdles for claimants. For example, a claimant with a spinal nerve-root injury may still qualify as a threshold injury if it causes neurological signs such as muscle weakness or sensory changes, even if radiculopathy (nerve root irritation) is not present. However, the absence of these signs may prevent qualification.

Given the technical nature of the assessment process, and the potential for disputes over injury classification, claimants are strongly encouraged to seek independent legal advice before finalising a claim. This is especially important if the insurer denies a claim or offers a settlement that does not reflect the full extent of the injury or its long-term impact.

Every claim depends on its own facts. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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