McCann v Switzerland Insurance Australia Ltd

The appeal in *McCann v Switzerland Insurance Australia Ltd* concerned a claim under a professional indemnity insurance policy. The appellant, representing the interests of the law firm Allens, sought to recover a loss suffered by the firm due to its civil liability to the Nauru Phosphate Royalties Trust ("Nauru Trust"). The respondent insurer sought to rely on an exclusion clause in the policy, which excluded liability brought about by the dishonest or fraudulent act or omission of the assured. The High Court of Australia was required to determine whether the Nauru Trust's loss, arising from the actions of an Allens partner, Ronald Adrian Powles, was "brought about by [a] dishonest or fraudulent act or omission" on his part, thereby entitling the insurer to rely on the exclusion.

The central legal issue was the interpretation and application of the exclusion clause. Specifically, the Court had to determine whether Mr Powles' conduct constituted a dishonest or fraudulent act or omission for the purposes of the policy. This involved examining whether his actions, including the unauthorised opening and operation of a US dollar account, his involvement in attempts to purchase prime bank instruments, his arrangement to receive a secret commission, and his concealment of information from the Nauru Trust, were sufficiently dishonest or fraudulent to trigger the exclusion. The Court also considered the relationship between the dishonest conduct and the loss suffered by the Nauru Trust, and whether the exclusion clause was concerned with the proximate cause of the loss or the dishonest conduct itself.

The High Court, in dismissing the appeal, affirmed the findings of the Court of Appeal. The Court held that Mr Powles' conduct, including authorising the transfer of $US8.55 million out of the US dollar account with knowledge that it placed the Nauru Trust's moneys at considerable risk, constituted dishonest breaches of his trust and fiduciary duties. This conduct was characterised as deliberately concealing information and the truth from the Nauru Trust, failing to disclose his personal commission, and participating in arrangements for others to receive secret commissions. The Court emphasised that the exclusion clause was concerned with liability brought about by dishonest conduct, not solely with the direct or proximate cause of the loss. Therefore, Allens' liability to the Nauru Trust was indeed brought about by Mr Powles' dishonest breaches of duty, entitling the insurer to rely on the exclusion. The appeal was dismissed with costs.