Understanding the Motor Accident Injuries Act 2017 in NSW
The Motor Accident Injuries Act 2017 (MAI Act) is the primary law governing compensation for personal injury resulting from motor vehicle accidents in New South Wales. It applies to all motor accidents occurring on or after 1 March 2018, including those in Western Sydney. The Act establishes a statutory scheme that provides automatic entitlements to treatment and care, weekly income payments, and, in some cases, damages for injury. These entitlements are not dependent on proving fault, but are subject to specific eligibility criteria, including injury thresholds and the nature of the injury sustained.
How SIRA Applies the MAI Act to Claims in Western Sydney
The State Insurance Regulatory Authority (SIRA) administers the CTP compensation scheme under the MAI Act. SIRA interprets and applies the Act consistently across NSW, including in Western Sydney, to ensure fair and uniform outcomes. When assessing a claim, SIRA determines whether the injury meets the statutory threshold for damages, whether treatment and care benefits are appropriate, and whether weekly payments are payable. SIRA uses the Motor Accident Injuries Regulation 2017 and the Motor Accident Guidelines to guide these determinations, particularly in relation to soft tissue injuries and neurological signs.
Key Rules Under the MAI Act That Apply in Western Sydney
Under the MAI Act, a person who suffers injury in a motor accident may be entitled to statutory benefits, including:
- Treatment and care benefits for medical and allied health services
- Weekly income payments if they are unable to work due to injury
- A lump sum payment for damages if they meet the threshold for serious injury
A claim for damages is only available if the injury is classified as a threshold injury under the Act. This includes injuries such as a spinal nerve-root injury with neurological signs, a permanent impairment of 10% or more, or a serious injury as defined by the Act. Importantly, if a person’s only injuries are threshold injuries, weekly benefits and treatment and care benefits are generally limited to 52 weeks from the date of the accident, as provided under section 4.4 of the MAI Act.
Practical Steps and Evidence That Matter
To support a claim under the MAI Act, individuals in Western Sydney should take the following steps:
- Seek medical attention as soon as possible after the accident and keep all medical records
- Report the accident to the police if it involves a motor vehicle and there is injury or property damage
- Notify the CTP insurer of the claim within a reasonable time, ideally within 30 days
- Gather and preserve evidence such as photographs of the scene and vehicle damage, witness contact details, and a copy of the accident report
- Maintain records of lost income, travel costs for treatment, and out-of-pocket expenses
SIRA requires that all claims be supported by medical evidence, including a formal assessment of whole person impairment (WPI) by an independent medical practitioner. For claims involving neurological signs, SIRA will assess whether the signs are consistent with a spinal nerve-root injury, as defined in the Motor Accident Guidelines.
Time Limits and Dispute Resolution
There are time limits that may affect a claim. While the MAI Act does not impose a strict deadline for making a claim, delays in notifying the insurer or providing evidence may impact the approval of benefits. If a claim is denied, the claimant may request a review from SIRA or apply to the NSW Civil and Administrative Tribunal (NCAT) for a determination. Disputes over the assessment of impairment, the classification of injury, or the duration of benefits are common and must be resolved through formal processes.
A Realistic Example
Consider a cyclist in Liverpool, Western Sydney, who was struck by a car at a roundabout in July 2024. The cyclist sustained a neck injury and was diagnosed with a spinal nerve-root injury showing neurological signs, such as altered reflexes and sensory changes, confirmed by MRI and a specialist neurologist’s report. The injury was not classified as radiculopathy under the Motor Accident Guidelines, but still qualified as a threshold injury. The cyclist applied for treatment and care benefits and weekly income payments. SIRA assessed the claim under the MAI Act and approved benefits for 52 weeks, as the only injuries were threshold injuries. The cyclist was able to access physiotherapy, medication, and income support during that period.
Next Steps
Every claim depends on its own facts. To request contact about your circumstances, complete the quick, no obligation enquiry form.