It replaced and expanded the role of the Office of the Employment Advocate , which had existed since 1997 .
The Workplace Authority was an Australian Government statutory agency that existed from 1 July 2007 to 1 July 2009 .
Workplace Authority replaced and expanded the role of the statutory agency         , which had existed since 1997 .
The Workplace Authority was an Australian Government statutory agency that existed from 1 July 2007 to 1 July 2009 .