(1) Any application made to, any action or proceeding commenced in, and any decision given by, the High Court of New Zealand, the Court of Appeal of New Zealand, the Maori Appellate Court, or any tribunal (excepting the Maori Land Court), since 14 November 1955, in respect of the land described in Schedule 4 and the land known as Rangatira B616, is hereby declared to be of no effect.