The High Court at Auckland will rule today on whether it can give a declaration on the legality of the teapot tape, as police remain poised to search four media outlets for recordings, invoices and notes related to the tape.
If the court declares that the conversation between Prime Minister John Key and Act's John Banks was not private, it would allow media to publish the recording before Saturday's election without the threat of legal action.
A heavyweight team of lawyers, including Solicitor-General David Collins, QC, appearing for the Crown, spent yesterday arguing over whether it was a private conversation and the potential relevance of the information for voters.
Police will decide this morning whether to search TV3, Television NZ, Radio NZ and the Herald and Herald on Sunday today or wait until after the court decision, which is due at 2.15pm.
Cameraman Bradley Ambrose, who was not in court yesterday, is seeking a declaration on whether the conversation was private.