Australian politics live: Chalmers says ATO surcharge was joint intervention with PM; Nationals MP defends ‘shamed and stoned’ remark

Australian treasurer Jim Chalmers says a tax surcharge on wealthy individuals was a joint decision with the prime minister, while a Nationals MP defends his 'shamed and stoned' remark.

Labor is set to introduce a gas reserve bill, with the Greens highlighting missed revenue from untaxed resources.