Here is the link to the Fed's Customs PDF on LP's
http://www.customs.gov.au/webdata/re...erPointers.pdf
Pretty much backs up Marks comment, however it only applies to imports.
So dunno how you would go getting one from
Telescopes @ astronomy.com, they are australian, so it may not be a problem.
Again, I think I might just call them and find out. Will post here when I know.