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MAC Act Legacy Claims in NSW: Key Changes After 2017 CTP Reforms

The 2017 NSW CTP reforms changed how legacy MAC Act claims are processed, including stricter threshold injury criteria and revised time limits. Claimants must understand these changes to ensure their compensation is assessed under the new framework. Seek legal advice if your claim involves disputes or complex injuries.

Current as at 23 August 2026

How the 2017 NSW CTP Reforms Changed Legacy MAC Act 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).

The 2017 reforms to New South Wales' Compulsory Third Party (CTP) motor accident compensation scheme significantly altered how legacy claims under the former Motor Accident Claims Act (MAC Act) are processed. If you were injured in an accident before 2017 and are seeking compensation, understanding these changes is critical. This article explains the key differences between legacy MAC Act claims and new CTP claims, how assessments of economic loss and daily activities have evolved, and steps to ensure your claim is processed under the updated framework.

Key Differences Between Legacy and New CTP Claims

Before 2017, the MAC Act governed claims for injuries caused by motor vehicles. The 2017 reforms replaced this with the Motor Accident Injuries Act 2017 and Motor Accident Injuries Regulation 2017, introducing a new CTP scheme. Key changes include:

  • Eligibility criteria: Under the new scheme, claims must now meet the 'threshold injury' definition in the Motor Accident Guidelines, which requires a spinal nerve-root injury producing neurological signs. This is stricter than the previous MAC Act's approach.
  • Assessment of economic loss: The new framework requires a more detailed analysis of how injuries impact daily activities, including work capacity and household responsibilities. This affects the calculation of weekly income payments and treatment benefits.
  • Time limits: Claims under the new scheme must be submitted within 52 weeks of the accident if they involve only threshold injuries. Legacy claims may have different deadlines depending on when the accident occurred.

Practical Steps for MAC Act Legacy Claimants

If your injury occurred before 2017, you must ensure your claim is processed under the new CTP scheme. Key actions include:

  • Gather evidence: Collect medical records, accident reports, witness statements, and photographs. Document how your injury affects daily activities, such as mobility or work capacity.
  • Understand your entitlements: The new scheme limits weekly benefits and treatment payments after 52 weeks for threshold injuries. If your injury exceeds the threshold, you may be eligible for long-term compensation.
  • Notify insurers: Contact the at-fault driver's insurer or the NSW Government’s State Insurance Regulatory Authority (SIRA) to initiate your claim. Delays can jeopardise your right to benefits.

Example: How a Legacy Claim Might Be Processed

Consider a claimant injured in a 2016 car accident in Bankstown. Under the MAC Act, they might have received weekly payments for 52 weeks regardless of injury severity. Under the new CTP scheme, their claim would be assessed against the threshold injury criteria. If their injury meets the new definition, they could receive long-term benefits. If not, payments may stop after 52 weeks, requiring a separate claim for non-threshold injuries.

When to Seek Legal Advice

The 2017 reforms introduced complex changes to how legacy claims are assessed. If you're unsure whether your injury meets the new threshold criteria, or if your claim has been delayed, consult a legal professional. Independent advice is particularly important if your claim involves disputes over injury severity or entitlements.

Next Steps

CTP entitlements and deadlines depend on the accident date, injury type, and claim history. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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