How NSW CTP Insurers Calculate Late Payment Interest
When a CTP insurer delays payment of statutory benefits, penalty interest may apply under the Motor Accident Injuries Act 2017. This interest is calculated based on the date the claim was submitted and the date the payment was made. Insurers must account for this interest as part of their liability assessment, but the process can vary depending on the location and circumstances of the claim.
Key NSW CTP Rules Behind Late Payment Interest
The Motor Accident Injuries Act 2017 outlines that insurers must pay statutory benefits within 28 days of receiving a valid claim. If payment is delayed, penalty interest accrues at the rate of 10% per annum, compounded daily. Regional NSW claims may face additional delays due to logistical challenges, such as limited access to SIRA offices or longer processing times. Insurers must document their assessment of liability, including any delays, to comply with these rules.
Evidence That Matters for Late Payment Claims
Claimants should gather documents that demonstrate the insurer's failure to meet payment deadlines. This includes:
- A copy of the claim submission date
- Proof of communication with the insurer (emails, letters)
- Evidence of financial impact from delayed payments (e.g., interest calculations)
- Medical records confirming the injury's date of occurrence
Insurers often rely on SIRA's guidelines to determine whether a claimant is entitled to interest. If a claimant believes the insurer has not accounted for late payment interest, they should request a written explanation of the insurer's assessment.
Time Limits and Dispute Options
Statutory benefits must be paid within 28 days of a valid claim. If an insurer fails to meet this deadline, claimants can dispute the delay by contacting SIRA or seeking legal advice. In regional NSW, claimants may need to escalate disputes through the NSW Civil and Administrative Tribunal (NCAT) if the insurer refuses to pay interest. There is no specific time limit for disputing late payments, but prompt action is recommended to preserve evidence.
Practical Steps for Regional NSW Claimants
- Submit claims promptly to avoid delays. Use SIRA's online portal if possible.
- Request written confirmation of payment dates and interest calculations.
- Keep records of all correspondence with the insurer.
- Seek legal advice if the insurer refuses to pay interest or disputes liability.
Example of Late Payment Interest Calculation
A claimant in regional NSW submits a claim on 1 January 2026. The insurer pays the claim on 1 March 2026, 59 days late. Penalty interest would accrue from 1 January 2026 to 1 March 2026 at 10% per annum. This results in additional compensation for the claimant, as the interest reflects the financial cost of the delay.
When to Seek Legal Advice
Claimants should consult a solicitor if:
- The insurer refuses to pay interest
- The claim is delayed beyond 28 days
- The claimant is unsure how to dispute the insurer's assessment
Legal professionals can help claimants understand their rights under the CTP scheme and ensure insurers comply with their obligations.
Every claim depends on its own facts. To request contact about your circumstances, complete the quick, no obligation enquiry form.