A program for early intervention autism services will be delayed as part of efforts to deliver urgent hospital funding. NDIS changes are needed to ensure its sustainability, federal Health Minister Mark Butler says. Federal Health Minister Mark Butler said the changes were needed to ensure the sustainability of the NDIS. Asked whether July 1 would be the program’s start date, Mr Butler said it would be fully rolled out after that. “I’m really just talking several months more than anything significant,” Mr Butler said.