Embassy officials might limit your time if you appear unsavoury in their eyes. A return ticket and sufficient funds are also required, although the meaning of the latter is clearly debatable. It permits casual rather than full-time employment, meaning that you are only supposed to work for three of the twelve months. Visa extensions can take a long time to obtain and may be surrounded by lengthy procedures so apply as early as possible. Quarantine Arrangements Australia is a beautiful country free from many pests and diseases found elsewhere in the world.
Quarantine helps keep it that way.
When entering Australia, it's vital that you declare on your Incoming Passenger Card any food, live plants and animals and any items made from wood, plants or animals. Quarantine officers use detector dog teams, X-ray machines and random baggage checks to detect undeclared quarantine items.