Senator BUSHBY (Tasmania—Chief Government Whip in the Senate) (16:17): On behalf of the Chair of the Standing Committee on Regulations and Ordinances, Senator Williams, and pursuant to notice given on 29 November 2017, I withdraw business of the Senate notice of motion No. 1 standing in his name for 7 December 2017 proposing the disallowance of the Private Health Insurance (Benefit Requirements) Amendment Rules 2017 (No. 6).