Mathias Cormann (WA, Liberal Party, Vice-President of the Executive Council) | Link to this | Hansard source

by leave—I advise the Senate that Senator Birmingham will be absent from question time today due to ministerial business overseas. In Senator Birmingham’s absence, Senator Payne will represent the Minister for Trade, Tourism and Investment and the Assistant Trade and Investment Minister; Senator McKenzie will represent the Minister for Education; and Senator Canavan will represent the Minister for Energy and Emissions Reduction and the Minister for the Environment.