Australian Emergency Management (AEM) Recovery Arrangements:

http://www.em.gov.au/Fundinginitiatives/Naturaldisasterreliefandrecoveryarrangements/Pages/default.aspx

Emergency Management Act 2005 (see also EM regulations):

http://www.slp.wa.gov.au/legislation/statutes.nsf/main_mrtitle_294_homepage.html

Westplans and Support plans:

https://extranet.fesa.wa.gov.au/sites/emwa/Pages/stateemergencymanagementplans.aspx