a ^ Northern Territory Senator Nigel Scullion sits as the sole representative of the Country Liberal Party, the local equivalent of both the National and Liberal parties. He sits in the National party room, and serves as the National Party deputy leader in the Senate.
b ^ There is no separate LNP party room. Senators Brandis, Mason, McGrath and Macdonald sit in the Liberal party room. Senators Canavan and O'Sullivan sit in the National Party room.
c ^ Victorian DLP Senator John Madigan resigned from the DLP on 4 September 2014 and sat thereafter as an independent.