Participating members
             | 
            
            Date of appointment
             | 
        
        
            | 
             Senator the Hon Eric
            Abetz (TAS, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Mark Arbib
            (NSW, ALP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator Guy Barnett
            (TAS, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Cory Bernardi
            (SA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Simon Birmingham
            (SA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Mark Bishop
            (WA, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator the Hon Ronald
            Boswell (QLD, NATS) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator the Hon George
            Brandis (QLD, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Bob Brown
            (TAS, ALP) 
             | 
            
             14.02.08 
             | 
        
        
            | 
             Senator David Bushby
            (TAS, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Doug Cameron
            (NSW, ALP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator Michaelia
            Cash (WA, LP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator the Hon Richard
            Colbeck (TAS, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Jacinta Collins
            (VIC, ALP) 
             | 
            
             14.05.08 
             | 
        
        
            | 
             Senator the Hon Helen
            Coonan (NSW, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Mathias Cormann
            (WA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Trish Crossin
            (NT, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Alan Eggleston
            (WA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator the Hon Christopher
            Ellison (WA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Don Farrell
            (SA, ALP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator David Feeney
            (VIC, ALP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator Steve Fielding
            (VIC, FFP) 
             | 
            
             13.02.08 
             | 
        
        
            | 
             Senator Concetta Fierravanti-Wells
            (NSW, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Mitch Fifield
            (VIC, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Mary Jo Fisher
            (SA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Michael Forshaw
            (NSW, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Sarah Hanson-Young
            (SA, AG) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator the Hon Bill
            Heffernan (NSW, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Annette Hurley
            (SA, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Steve Hutchins
            (NSW, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator the Hon David
            Johnston (WA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Barnaby Joyce
            (QLD, NATS) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Helen Kroger
            (VIC, LP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator Scott Ludlam
            (WA, AG) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator the Hon Ian
            Macdonald (QLD, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Gavin Marshall
            (VIC, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator the Hon Brett
            Mason (QLD, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Anne McEwen
            (SA, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Julian McGauran
            (VIC, LP)  
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator the Hon Jan
            McLucas (QLD, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Christine
            Milne (TAS, AG) 
             | 
            
             14.02.08 
             | 
        
        
            | 
             Senator the Hon Nicholas
            Minchin (SA, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Fiona Nash
            (NSW, NATS) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Kerry O'Brien
            (TAS, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Stephen Parry
            (TAS, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Marise Payne
            (NSW, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Helen Polley
            (TAS, ALP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator Louise Pratt
            (WA, ALP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator the Hon Michael
            Ronaldson (VIC, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Scott Ryan
            (VIC, LP) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator the Hon Nigel
            Scullion (NT, CLP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator the Hon Ursula
            Stephens (NSW, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Glenn Sterle
            (WA, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator the Hon Judith
            Troeth (VIC, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator Russell Trood
            (QLD, LP) 
             | 
            
             12.02.08 
             | 
        
        
            | 
             Senator John Williams
            (NSW, NATS) 
             | 
            
             01.07.08 
             | 
        
        
            | 
             Senator Dana Wortley
            (SA, ALP) 
             | 
            
             12.03.08 
             | 
        
        
            | 
             Senator Nick Xenophon
            (SA, IND) 
             | 
            
             01.07.08 
             |