Legal Advice

CTP Claims Documentation Checklist: What Evidence Do You Need for NSW Injury Assessments?

This article explains the medical and evidentiary requirements for CTP claims in NSW, based on SIRA’s official guidelines. It outlines the documentation needed to support injury assessments, how severity is evaluated under the Motor Accident Injuries Act 2017, and the practical steps to take after a motor accident.

Current as at 19 June 2026

Understanding CTP Claims Assessment in NSW

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 have been injured in a motor accident in New South Wales, the process for claiming compensation through Compulsory Third Party (CTP) insurance involves a formal assessment of your injuries and supporting evidence. The assessment is guided by the Motor Accident Injuries Act 2017 and the Motor Accident Injuries Regulation 2017, which set out the legal framework for determining entitlement to benefits and damages. This process is not automatic and requires clear, documented evidence of injury, treatment, and impact on your life. The assessment is conducted by the insurer or a claims assessor under the oversight of the State Insurance Regulatory Authority (SIRA), and it determines whether you are eligible for treatment and care benefits, weekly income payments, or damages.

What Medical and Injury Documentation Is Required?

To support your claim, you must provide medical documentation that demonstrates the nature, severity, and ongoing impact of your injuries. This includes:

  • A detailed medical report from your treating medical practitioner, including diagnosis, treatment provided, and prognosis.
  • Copies of all medical appointments, diagnostic tests (such as MRI, CT scan, or X-ray), and specialist referrals.
  • A record of any time off work due to injury, supported by a certificate from your employer or a medical practitioner.
  • Evidence of ongoing symptoms, such as pain, reduced mobility, or psychological effects, including a mental health assessment if relevant.

SIRA’s Motor Accident Claims guidelines state that medical evidence must be contemporaneous and consistent with the injury timeline. Reports that are delayed or inconsistent with treatment records may not be accepted as reliable.

How Injury Severity Is Assessed Under NSW Law

Under the Motor Accident Injuries Act 2017, not all injuries qualify for damages. The law distinguishes between threshold injuries and non-threshold injuries. A threshold injury is one that causes a permanent impairment of at least 10% of the whole person, or a permanent loss of function, or a permanent restriction in the ability to perform daily activities.

For injuries that meet the threshold, the insurer must assess whether the injury has caused a significant and permanent impact on your life. This includes evaluating:

  • The duration and severity of pain or discomfort.
  • Any permanent loss of function, such as limited range of motion or chronic fatigue.
  • The effect on your ability to work, perform household duties, or participate in social and recreational activities.

If your injury does not meet the threshold, you may still be entitled to treatment and care benefits and weekly income payments for up to 52 weeks, provided your injury was caused by the motor accident and you were not at fault.

Evidence That Supports a Successful Claim

In addition to medical records, the following evidence is commonly required to support a CTP claim in NSW:

  • A completed accident report, if available, including details of the time, location, weather, and road conditions.
  • Photographs of the accident scene, vehicle damage, or visible injuries taken soon after the incident.
  • Witness statements, if available, detailing what they observed.
  • A copy of the police report, if one was filed.
  • Records of out-of-pocket expenses related to the accident, such as travel to medical appointments or home modifications.

SIRA advises that all evidence should be preserved and submitted as soon as possible after the accident. Delayed submission may affect the insurer’s ability to assess your claim fairly.

Time Limits and Procedural Requirements

There are time limits that apply to CTP claims in NSW. You must notify your insurer of the claim within 3 months of the accident, or within 3 months of becoming aware of a serious injury, whichever is later. Failure to meet this deadline may result in the claim being rejected.

If you are seeking damages, a claim must be issued in the NSW Supreme Court within 3 years of the accident date. This time limit is strict and does not extend for new injuries that emerge later, unless they are directly linked to the original accident and were not reasonably foreseeable at the time of the initial claim.

When to Seek Independent Advice

If your claim is denied, or if you believe the assessment of your injury is inaccurate, you may request a review by the insurer or apply to the NSW Civil and Administrative Tribunal (NCAT) for a determination. You may also seek independent medical assessment, which can be arranged through the insurer or your legal representative.

A common mistake is assuming that all injuries qualify for damages. For example, a person who sustained a whiplash injury in a low-speed rear-end collision may not meet the threshold for damages if the injury resolves within 12 weeks and no permanent impairment is found. However, if the injury leads to chronic pain and a permanent reduction in function, it may qualify.

Next Steps: Preparing Your Claim

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

Prepared using automated research and drafting tools and checked through LegalAdvice editorial and source-validation controls. This page is general information, not personalised legal advice.

The information contained in this website is not intended to constitute professional legal advice. You acknowledge that legaladvice.com.au does not provide legal services or legal advice and that you should not rely or act upon any information received from the use of the website.

How LegalAdvice creates and checks content