On 16 December 2009 the Bush Fires Act (1954) and the Criminal Code were amended to increase penalties and clarify the definition of property regarding charges involving arson. Property now means personal or real estate property including crown land and includes the bush and fauna.
Crime Stoppers can be contacted on 1800 333 000 or reports can be completed online. https://www.crimestopperswa.com.au/make-a-report
Further information can be found on the DFES website.
http://www.dfes.wa.gov.au/safetyinformation/fire/arson/Pages/default.aspx