In his response, Key's chief of staff Wayne Eagleson did not mention Key's phone call to Collins but did provide transcripts of media interviews, and a copy of a press release.
Ambrose asked the High Court to rule the conversation was public but this was rejected and Crown Law wanted Ambrose to pay costs of almost $14,000. That order for costs was withdrawn this month.
The Crown Law Office's description of the Solicitor General stated his duty was to give independent advice. "That independence is of considerable constitutional importance. Such impartial advice can be seen to be given without political direction, even on politically contentious issues."
A spokeswoman for the Prime Minister responded with a short statement, confirming Key rang Collins after the outcome of the case was known. "It is not uncommon for the Prime Minister to personally thank people for their hard work."