"There is one law..enacted by the Parliament under the Australian Constitution.

Go elsewhere for sharia law: Costello - news.com.au
From: AAP
February 23, 2006

Anyone who believes Islamic sharia law can co-exist with Australian law should move to a country where they feel more comfortable, Treasurer Peter Costello said today.
"There is one law we are all expected to abide by," Mr Costello said. "It is the law enacted by the Parliament under the Australian Constitution. "If you can't accept that, then you don't accept the fundamentals of what Australia is and what it stands for."