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Vehicle Modifications in CTP Claims: Rehabilitation Planning for Illawarra and South Coast Injuries

Vehicle modifications can impact NSW CTP claims by affecting treatment and rehabilitation planning. SIRA guidelines require evidence of the modification’s medical necessity, and claimants must submit detailed documentation. In the Illawarra and South Coast regions, working with local assessors and seeking legal advice when disputes arise is essential for successful claims.

Current as at 15 October 2026

Where a person's only injuries resulting from the accident are threshold injuries, weekly benefits and treatment and care generally cease after 52 weeks (ss 3.11 and 3.28).

Vehicle modifications can significantly impact the treatment and rehabilitation planning for injured claimants in NSW CTP claims. When an accident involves a modified vehicle, such as hand controls, adaptive equipment, or custom modifications, claimants must ensure their rehabilitation plans align with SIRA guidelines. This article explains how vehicle modifications affect CTP claims, what evidence is needed, and how to navigate rehabilitation planning in the Illawarra and South Coast regions.

How Vehicle Modifications Affect CTP Claims

Under the Motor Accident Injuries Act 2017 (MAIA), vehicle modifications are considered when assessing a claim. SIRA evaluates whether modifications are necessary for the injured person to regain mobility or independence. For example, if a cyclist sustains a spinal injury requiring hand controls, the modification is treated as part of the claim. However, the modification must be directly related to the injury and not a pre-existing adaptation.

SIRA’s guidelines state that modifications must be: (1) medically necessary, (2) reasonably required to enable the injured person to perform daily activities, and (3) not excessive or unnecessary. Claimants must provide evidence of the modification’s necessity, such as a doctor’s report linking the modification to the injury.

Rehabilitation Planning for Modified Vehicles

Rehabilitation planning for modified vehicles requires detailed documentation. SIRA expects claimants to submit: (1) a rehabilitation plan from a medical practitioner, (2) evidence of the vehicle modification (e.g., receipts, photos, or a mechanic’s report), and (3) a statement explaining how the modification supports the injured person’s recovery.

In the Illawarra and South Coast regions, claimants should work with local SIRA-approved assessors to ensure their rehabilitation plans meet regional standards. For instance, a claimant with a mobility impairment requiring a custom hand control must demonstrate that the modification enables them to perform essential tasks like driving or household activities.

Time Limits and Dispute Resolution

CTP claims must be submitted within 52 weeks of the accident if the injury is classified as a 'threshold injury' under MAIA. Threshold injuries include soft tissue injuries, spinal nerve-root injuries, or other injuries requiring treatment. If the claim involves a modified vehicle, the 52-week deadline still applies, but claimants may need to provide additional evidence to justify the modification’s necessity.

Disputes over vehicle modifications are resolved by SIRA’s independent assessors. If a claimant disagrees with an assessor’s decision, they can request a review or seek mediation through the NSW Civil and Administrative Tribunal (NCAT). It is crucial to act promptly and gather all required documentation to avoid delays.

Practical Steps for Claimants

  1. Document the modification: Keep records of the modification’s cost, installation date, and purpose.
  2. Obtain medical evidence: A medical practitioner must confirm the modification is necessary for rehabilitation.
  3. Submit a rehabilitation plan: Outline how the modification supports the injured person’s recovery and daily life.
  4. Contact SIRA: Reach out to SIRA’s Illawarra or South Coast office for guidance on regional requirements.
  5. Seek independent advice: Consult a legal professional if disputes arise or if the claim involves complex modifications.

When to Seek Legal Advice

Claimants should seek legal advice if: (1) the modification’s necessity is disputed, (2) the claimant faces delays in processing, or (3) the injury involves long-term rehabilitation needs. Legal professionals can help navigate SIRA’s guidelines and ensure all documentation meets legal standards.

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