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Contributory Negligence Checklist: Documenting Injuries for NSW CTP Claims

This article provides a practical checklist for documenting injuries in NSW CTP claims where contributory negligence is alleged. It explains how to meet SIRA's requirements, avoid common pitfalls, and understand how shared fault affects compensation under the Motor Accident Injuries Act 2017.

Current as at 19 June 2026

Contributory Negligence and Injury Documentation in NSW CTP Claims

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've been injured in a motor accident and are claiming compensation under NSW's Compulsory Third Party (CTP) scheme, contributory negligence can affect your claim. This checklist explains what documentation is essential to prove your injuries and how shared fault impacts your entitlements under the Motor Accident Injuries Act 2017.

What Documentation is Required for Contributory Negligence Claims?

To support your claim, you must provide evidence of your injuries and demonstrate that the accident caused them. Key documents include:

  • Medical records showing diagnosis, treatment, and recovery timeline
  • Accident reports from police or witnesses detailing how the incident occurred
  • Witness statements confirming the accident's circumstances
  • Photographs of injuries, vehicle damage, and accident scene
  • Income records to support claims for lost wages or care costs
  • Correspondence with insurers or SIRA showing communication about your claim

SIRA's guidelines emphasize that contributory negligence reduces compensation, but does not disqualify a claim. You must prove the injury's connection to the accident and demonstrate that the fault was not entirely the other party's.

How SIRA's Guidance Applies to Injury Documentation

SIRA's Motor Accident Claims page explains that contributory negligence is assessed based on the injured person's actions. For example, if you were not wearing a seatbelt or failed to follow traffic rules, this may reduce your compensation. Documentation must show:

  • The nature and severity of your injuries
  • How the accident caused those injuries
  • That your actions did not significantly contribute to the harm

SIRA's What You Can Claim page clarifies that while contributory negligence reduces damages, it does not eliminate your right to claim for injuries that meet the 'threshold injury' definition under the Motor Accident Injuries Act 2017.

Common Pitfalls to Avoid

  • Failing to document injuries promptly after the accident
  • Not recording the full timeline of treatment and recovery
  • Missing deadlines for submitting evidence to SIRA
  • Not addressing contributory fault in your claim form
  • Providing incomplete or inconsistent evidence

A common mistake is underestimating the importance of medical documentation. For instance, if you fail to record symptoms or treatment dates, it may weaken your claim. Always keep detailed records of all medical appointments, treatments, and how your injuries affect daily life.

When to Seek Legal Advice

If you're unsure whether your injuries meet the threshold for compensation, or if you believe contributory negligence is being misapplied, seek legal advice. A lawyer can help you:

  • Assess whether your injuries qualify under the Motor Accident Injuries Act 2017
  • Prepare a strong case for contributory negligence
  • Navigate SIRA's claims process
  • Challenge unfair reductions in compensation

Example Scenario

Consider a case where a driver was injured in a collision. If the driver was not wearing a seatbelt (a contributory factor), SIRA may reduce compensation. However, if the seatbelt failure was not a significant factor, the claim could still succeed. Proper documentation of the accident, injuries, and contributory factors is essential to prove this.

Next Steps

CTP claims involving contributory negligence depend on accurate documentation and understanding of NSW law. If you're unsure about your claim's viability or need help preparing evidence, complete the quick, no obligation enquiry form to request contact about your circumstances.

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