Part A) - All you have to do is to identify a legislation or Act relevant in your state. For example, Work health and safety act.
Part B) - https://www.safetyandquality.gov.au/wp-content/uploads/2011/09/NSQHS-Standards-Sept-2012.pdf Please review for the standard
Part C) - Identify which QAS Clinical Practise Guideline it is relevant to. For example, QAS CPG "Primary Survey".