Senator BUSHBY (Tasmania—Deputy Opposition Whip in the Senate) (17:55): by leave—I move: That leave of absence be granted to the following senators: (a) Senator Cormann from 25 February to 28 February 2013, for personal reasons; (b) Senator Johnston from 25 February to 28 February 2013, on account of parliamentary business; and (c) Senator Back for 28 February 2013, on account of parliamentary business. Question agreed to.