How SIRA Determines Permanent Impairment Thresholds for CTP Claims
Under New South Wales law, the permanent impairment threshold for Compulsory Third Party (CTP) motor accident claims is defined as a 10% whole person impairment. This threshold determines whether a claimant qualifies for additional compensation beyond statutory benefits. The New South Wales Motor Accident Injuries Act 2017 (MAIA) and the Motor Accident Guidelines (MAG) underpin this standard. The SIRA (State Insurance Regulatory Authority) assesses impairment using the MAG, which outlines clinical and functional criteria to determine the percentage of impairment.
Legal Definition of Permanent Impairment
The MAIA defines a 'permanent impairment' as a condition that results in a lasting loss of function, requiring ongoing medical care or significantly affecting daily activities. For a claim to exceed the threshold, the impairment must be confirmed by a medical practitioner and meet the MAG's criteria. This includes evaluating neurological signs, mobility limitations, and other clinical indicators. The 10% threshold is not a fixed percentage but a benchmark based on the MAG's assessment framework.
How SIRA Assesses Impairment Thresholds
SIRA uses the Motor Accident Guidelines to evaluate impairment. These guidelines provide a structured approach, including:
- Clinical signs such as spinal nerve-root injuries or radiculopathy
- Functional limitations impacting work, mobility, or personal care
- Evidence from medical reports and assessments
For example, a claimant with a 12% impairment from a car accident would qualify for additional compensation. SIRA's role is to independently verify that the impairment meets the MAG's criteria and exceeds the 10% threshold.
Evidence Required to Meet the Threshold
To satisfy the permanent impairment threshold, claimants must provide:
- Detailed medical records from a registered medical practitioner
- Evidence of ongoing treatment or care
- A completed Impairment Assessment Form (if applicable)
- Documentation of how the injury affects daily life or work capacity
SIRA may request additional information, such as expert opinions or rehabilitation reports, to support the assessment.
Impact on Compensation for CTP Claimants
If a claimant meets or exceeds the 10% threshold, they may be eligible for:
- A lump sum payment for permanent impairment
- Weekly income payments if the injury affects earning capacity
- Additional benefits for long-term care or mobility aids
However, claims below the threshold are limited to statutory benefits such as treatment and care payments. The threshold also affects dispute resolution, as SIRA's assessment is binding unless challenged through formal review.
Practical Steps for Claimants
- Seek immediate medical attention to document the injury
- Keep all medical records and correspondence with healthcare providers
- Notify your insurer about the claim within the required timeframe
- Request an impairment assessment from a registered medical practitioner
- Review SIRA's guidelines to understand how your injury compares to the threshold
When to Seek Legal Advice
Claimants should consult a legal professional if:
- SIRA's assessment appears to undervalue their impairment
- There are disputes over the evidence or medical reports
- The claimant is unsure whether they meet the threshold
Legal experts can help challenge SIRA's decision or negotiate a fair settlement. However, all claims must be supported by medical evidence and adhere to the MAIA's procedural rules.
Next Steps
The availability of compensation depends on the date of the accident, the type of injury, and whether the claimant meets the 10% threshold. To request contact about your circumstances, complete the quick, no obligation enquiry form.