There's confusion among law experts over a move by the Wellington branch of the New Zealand Law Society to seek a review of the country's  judges.

It's voted to pursue a motion that would see an international jurist look into the conduct of judges and judicial independence.

Former Auckland University law professor Bill Hodge told Mike Hosking it's an unusual decision.

He says the independence of the judiciary has been outstanding and New Zealand has always punched above its weight in the sector.

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