Legal Advice

CTP Insurer Assessor Changes: Understanding Your Rights in NSW

CTP insurers in NSW can replace a medical assessor if they believe the initial evaluation is inadequate. Claimants can challenge such decisions by requesting explanations, submitting evidence, and seeking mediation or legal advice. Understanding your rights under the Motor Accident Injuries Act 2017 is essential when disputes arise.

Current as at 18 August 2026

Why CTP Insurers May Replace a Medical Assessor

In New South Wales, Compulsory Third Party (CTP) insurers have the authority to replace a medical assessor if they believe the initial assessment is incomplete, biased, or fails to meet the requirements of the Motor Accident Injuries Act 2017. This power is rooted in the insurer’s duty to manage claims fairly while ensuring assessments align with SIRA’s guidelines. For example, an insurer might request a new assessor if the original evaluation does not account for all injuries or if there are inconsistencies in the medical records.

How to Challenge an Assessor Change Decision

If an insurer replaces your assessor, you have the right to challenge the decision by following these steps:

  • Request a written explanation of why the insurer believes the original assessment was inadequate.
  • Submit additional evidence such as updated medical reports, expert opinions, or documentation of ongoing treatment.
  • Seek mediation through SIRA’s dispute resolution process, which is designed to resolve conflicts without escalating to legal action.
  • Appeal to the NSW Civil and Administrative Tribunal (NCAT) if mediation fails, though this is a rare step and typically reserved for complex cases.

SIRA Guidelines on Assessor Changes

SIRA’s guidelines emphasize that assessors must evaluate injuries based on objective medical evidence and the Motor Accident Guidelines. Insurers cannot arbitrarily replace assessors; they must demonstrate a legitimate reason for the change. For instance, if the original assessor did not address a spinal nerve-root injury (as defined in the Motor Accident Guidelines), the insurer may request a new assessment. However, claimants should be aware that insurers must provide specific evidence to support such a decision.

Practical Steps to Take

When an insurer changes an assessor, it is critical to:

  • Document all communication with the insurer, including dates and details of any requests for reassessment.
  • Preserve medical records and ensure they reflect all injuries and treatment received.
  • Consult a solicitor if the insurer’s actions appear to be in bad faith or if you are unsure how to proceed.

Time Limits and Dispute Options

CTP insurers must act within the statutory timeframes outlined in the Motor Accident Injuries Act 2017. For example, if an insurer requests a new assessment, they must do so within a reasonable period after the initial evaluation. If you believe the insurer is delaying or acting unreasonably, you may need to seek legal advice to enforce these deadlines.

When to Seek Legal Advice

If you are unsure whether an insurer’s decision to change an assessor is lawful, or if you need help challenging the decision, it is advisable to consult a solicitor. Legal professionals can help you understand your rights under the Motor Accident Injuries Act 2017 and ensure that your claim is handled fairly.

Final Steps

CTP insurers have the authority to replace assessors, but this must be done in accordance with the law and SIRA guidelines. If you believe the insurer’s actions are unfair or incorrect, you have the right to challenge their decision. For personalized advice tailored to your circumstances, complete the quick, no obligation enquiry form.

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