Download - The australian prime minister

The Australian Prime minister

http://www.google.com.au/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=UMLyFg13M2edxM&tbnid=VrGuGnfSzOpCkM:&ved=0CAUQjRw&url=http://www.worldtimeattack.com/index.php/australian-products-leading-the-way-in-world-time-attack/australian-flag-map/&ei=SoAmUqCsIMK4lQWDt4HIDQ&bvm=bv.51495398,d.aGc&psig=AFQjCNGcqHnDe6IYuZVAAVAxHMHt8YAn-Q&ust=1378341311039851

What do you have to do to become Prime Minister, and what are the restrictions before and after you do?