Ngai Tahu Tainui-owned Go-Bus Transport has filed liquidation proceedings against the former owner of long-distance bus service NakedBus.
The proceeding were filed at the High Court at Auckland on August 12 and is due to be heard at the same court later this month.
NakedBus was aquired by ManaBus.com in May, and the company's founder Hamish Nuttall stepped down from the business in July.
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ManaBus.com CEO Sherryl Otway was unaware of the liquidation proceedings when contacted by the Herald, but later in a statement said the debt was not theirs "so information will have to come from the previous owner or liquidator".