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Dispute Resolution for CTP Claims in Western NSW: SIRA's Role Under the Motor Accidents Compensation Act 1999

Disputes over CTP claims under the Motor Accidents Compensation Act 1999 in Western NSW are resolved through SIRA's internal review and mediation. Claimants must act within 28 days of a decision and present strong evidence. Legal advice is recommended for complex cases.

Current as at 24 August 2026

How to Resolve Disputes Over CTP Claims in Western Sydney

A threshold injury under the Motor Accident Injuries Act 2017 (NSW) includes a soft tissue injury and a psychological or psychiatric injury that is not a recognised psychiatric illness (adjustment disorder and acute stress disorder are the usual examples; s 1.6 and Motor Accident Guidelines Part 5).

If you're disputing a compensation decision under the Motor Accidents Compensation Act 1999 in Western NSW, the process involves SIRA's internal review mechanisms and alternative dispute resolution. This article explains the steps to challenge a claim assessment, how SIRA handles disputes, and key considerations for claimants.

The Legal Framework for CTP Disputes

The Motor Accidents Compensation Act 1999 governs claims for injuries caused by motor vehicles in NSW. Under this scheme, disputes over claim assessments must be resolved through SIRA's internal review process. This applies to claims made before 2017, when the scheme was replaced by the Motor Accident Injuries Act 2017. Key features include:

  • Internal Review: Claimants can request a review of SIRA's decision by submitting new evidence or disputing the reasoning. This must be done within 28 days of receiving the decision letter.
  • Mediation: SIRA offers voluntary mediation to resolve disputes without formal legal action. This is available for claims where the injury assessment or compensation amount is contested.
  • Legal Action: If mediation fails, claimants may pursue a court application. However, this is rare and requires a strong case showing errors in SIRA's assessment.

Practical Steps for Resolving a CTP Dispute

To challenge a compensation decision, follow these steps:

  1. Review the Decision Letter: SIRA will outline the reasons for the assessment. Identify any discrepancies, such as incorrect medical evidence or misinterpretation of injury severity.
  2. Submit an Internal Review Request: Complete SIRA's form and include new evidence, such as updated medical reports or witness statements. Emphasize how the new information changes the claim's outcome.
  3. Attend Mediation: If the internal review doesn't resolve the issue, request mediation. SIRA's mediators will facilitate discussions between claimants and assessors.
  4. Seek Legal Advice: For complex disputes, consult a solicitor. They can help draft legal submissions or challenge SIRA's interpretation of the Act.

Key Evidence and Time Limits

Successful disputes often depend on presenting strong evidence. Critical documents include:

  • Medical Records: Detailed reports from doctors or specialists confirming the injury's severity.
  • Accident Reports: Police reports or witness statements supporting the claim.
  • Income Records: Proof of lost wages or reduced earning capacity.

Time is critical. Internal reviews must be requested within 28 days of the decision. If you miss this deadline, you may lose the right to challenge the assessment. For mediation, there is no strict time limit, but delays can weaken your case.

A Hypothetical Example

Imagine a claimant who suffered a soft-tissue injury in Western Sydney. SIRA assessed the injury as below the threshold, resulting in limited compensation. The claimant disputes this by submitting a medical report showing neurological signs qualifying as a threshold injury. SIRA's internal review then re-evaluates the claim, leading to a revised assessment. This example highlights how new evidence can change outcomes.

When to Seek Legal Advice

Disputes over CTP claims are complex. Legal professionals can help with:

  • Interpreting SIRA's medical guidelines.
  • Drafting formal submissions for internal reviews.
  • Challenging SIRA's decisions in court.

If you're unsure about your options, seek advice early. The 28-day deadline for internal reviews means delays can jeopardize your claim.

Next Steps

CTP disputes in Western NSW require careful navigation of SIRA's processes. While internal reviews and mediation offer avenues for resolution, they are not guaranteed to change outcomes. Every claim depends on its own facts. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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