Key facts of unions royal commission

UNIONS ROYAL COMMISSION:

- ran for almost two years

- called 525 witnesses in private and public hearings

- former Labor PM Julia Gillard and current Labor leader Bill Shorten called to testify

- cost taxpayers about $46 million

- probed eight unions

- sat 189 days

- commission not a court of law, can only refer people to enforcement agencies for consideration of charges

- charges laid against nine people - all union officials or employees

- no convictions to date.

- those charged: Lisa Zanatta, Maria Butera, John Setka, Shaun Reardon, Michael Greenfield, Luke Collier, John Lomax (charges dropped), Halafihi Kivalu, a Queensland man arrested in May