The NSW opposition has threatened to refer a controversial government move to effectively exclude Labor electorates from urgent bushfire recovery funding to the state's corruption watchdog.
Labor leader Chris Minns says he will request a formal investigation into decisions by former deputy premier John Barilaro's office if the ex-Nationals leader fails to answer questions about the Black Summer grants program.
"If we don't get answers today ... I do think it needs to be referred to the (Independent Commission Against Corruption) to determine what happened here," he told radio station 2GB on Friday.