Forcing Huka Lodge's owner to appear in the High Court and be questioned before a judge will get to the bottom of his financial affairs, says his former business partner's lawyer.
Dutch businessman Alexander van Heeren is opposing an application he should come to court and have his affairs probed.
That bid, launched by South African steel trader Michael Kidd, forms part of a 19-year-long fight with van Heeren over the breakup of the pair's business empire.
Kidd claimed he got less than US$5 million ($7.5 million) when they severed ties in 1991, while van Heeren allegedly held on to assets worth at least US$47.5 million - including Huka Lodge, Dolphin Island retreat in Fiji and 32kg of gold.
This year Justice John Fogarty ordered van Heeren to pay US$25 million to the High Court in Kidd's favour as part of the dispute.