You’ll have to reveal the site of your discovery in your report too. It’s all in the Atomic Energy Act, 1945.
Don’t worry – firearms, slingshots, throwing stars, and just about anything you could conceive of are illegal in Australia. Kind of ruins the old image of Crocodile Dundee or “tough” Australians, doesn’t it? Rumor has it the labour party is considering dull spoons for banning in 2012.