this business sustainablity but the subject was not in the list. this is busbsus501 assignment in Australia so please answer accordingly. I dont want aswers related to USA or UK

Identify five pieces of environmental and sustainability legislation or regulations, and explain how they are applicable to an organisation. Result S U Question 2 Identify four internal and four external sources of information. Explain how they can be used to plan and develop the organisations sustainability policy. Result S U Question 3 Once the scope of a sustainability policy has been defined and information has been gathered, detail the three further processes that need to be undertaken to develop the policy. Result S U Question 4 Outline three issues that may occur when implementing policies and procedures, and explain how these should be addressed. Result S U Question 5 Outline three organisational systems and procedures and explain how they relate to sustainability.