WA has joined the National Domestic Violence Order Scheme, which will see all new restraining orders relating to domestic violence enforceable by Australian authorities in every state and territory jurisdiction.
From 25 November, the national scheme will remove the need to register these kinds of court orders across interstate boundaries. An application to the court can also bring orders made before this date within the national scheme.
https://www.lawyersweekly.com.au/wig-chamber/22223-wa-on-board-with-domestic-violence-orders?