According to the Australian Stock Exchange Listing Rules a company may be removed from the official list:
* If it asks to be removed. * If in the opinion of ASX: o It breaks a listing rule. o It has no quoted securities o It is appropriate for some other reason * If all the quoted securities of an entity have been previously suspended under Listing Rule 17.4 or Listing Rule 17.4A. * If it fails to pay listing fees.