A system of "legal pluralism" based on sharia law "abounds" in Australia, according to new research by legal academics Ann Black and Kerrie Sadiq.
They have found that Australian Muslims have long been complying with the shadow system of religious law as well as mainstream law.
But in family law, not all Muslims were registering their marriages and some were relying on religious ceremonies to validate unions that breached the Marriage Act.
This included "polygynist marriages", in which a man takes multiple wives, and marriages where one party is under the lawful marriage age.
Their research, which will be published on Monday in the University of NSW Law Journal, says that the wider community has been "oblivious to the legal pluralism that abounds in this country". [The Australian] Read more