State Insurance Office v CMT Construction of Metropolitan Tunnels

The appellant, the State Insurance Office (later substituted by the Transport Accident Commission), appealed to the High Court of Australia concerning a dispute over the recovery of workers compensation payments. The first respondent was CMT Construction of Metropolitan Tunnels, the employer of an injured worker, and the second respondent was National Employers' Mutual General Insurance Association Limited (NEM), the workers compensation insurer for CMT. The core issue was whether a workers compensation insurer, having indemnified an employer for payments made to an injured worker, could recover those payments from the employer after the worker successfully obtained damages in a common law claim against the employer.

The legal question before the High Court was whether section 79 of the Workers Compensation Act, which provided for the reduction of a judgment in favour of an injured worker by the amount of workers compensation paid, precluded the workers compensation insurer from recovering those payments from the employer. The factual background involved an employee of CMT who was injured in a motor vehicle accident during the course of his employment. NEM, as CMT's insurer, paid workers compensation totalling $31,609.62. The employee subsequently sued CMT for damages for negligence, and a jury awarded $257,000. The judgment was then reduced by the workers compensation payments and interest, resulting in a final judgment of $225,390.38 plus interest.