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Late Payment Interest in NSW CTP Claims: SIRA's Guidance (Auburn)

This article explains how CTP insurers in NSW calculate interest on delayed payments under SIRA’s guidance in Auburn. It outlines the legal requirements, practical steps for claimants, and options for resolving disputes. General information cannot determine whether a claim is available in an individual case.

Current as at 18 August 2026

How SIRA Defines Late Payment Interest for CTP Insurers in NSW

If a CTP insurer delays paying your statutory benefits, you may be owed interest under NSW law. SIRA explains that interest applies when payments are made after the scheduled time, as outlined in the Motor Accident Injuries Act 2017. The interest rate is typically 10% per annum, calculated from the date the payment was due. This applies to weekly income payments, treatment and care benefits, and other statutory entitlements.

Legal Requirements for CTP Insurers to Pay Interest

CTP insurers must pay interest if they delay payments beyond the agreed schedule. SIRA’s guidance in Auburn clarifies that this applies to all statutory benefits, including weekly payments for injuries. The interest is calculated using the rate set by the NSW Treasury, which is currently 10% per annum. Insurers must also account for any additional interest if payments are delayed beyond the 52-week period for certain benefits.

How SIRA's Guidance Applies to Late Payment Claims in Auburn

SIRA’s rules in Auburn state that claimants must notify the insurer of payment delays within 14 days. If the insurer fails to act, claimants can request a review through SIRA’s mediation process. For example, if a weekly payment is delayed by 30 days, the insurer must pay the original amount plus 10% interest for the period of delay. This ensures claimants are compensated for the time their benefits were not received.

Practical Steps for Claimants

To claim interest, keep detailed records of all payment dates, correspondence with the insurer, and any evidence of delays. SIRA requires claimants to submit a written request for interest within 14 days of the payment delay. If the insurer rejects the claim, you can escalate the matter to SIRA’s dispute resolution team. Always retain copies of all documents, including payment receipts and emails.

Time Limits and Dispute Options

There is no specific time limit for claiming interest, but delays beyond 14 days may reduce the chances of a successful claim. SIRA recommends acting promptly to ensure your case is reviewed before the insurer’s internal deadlines. If disputes arise, you can also seek legal advice to challenge the insurer’s decision.

When to Seek Independent Advice

If your claim involves complex issues like overlapping benefits, long-term injuries, or disputes over payment schedules, it may be wise to consult a legal professional. SIRA’s guidance provides a framework, but individual circumstances can affect the outcome. An experienced solicitor can help you navigate the process and ensure your rights are protected.

Next Steps

CTP insurers must pay interest on delayed payments, but the exact calculation depends on the circumstances of your claim. To request contact about your circumstances, complete the quick, no obligation enquiry form.

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