.AU regulations summary:

Local presence or Trustee Service required.

Pricing and requirements for .AU domains, Australia:

Annual domain fee: USD 225.00
Annual Local Presence/Trustee Service fee (if required): USD 300.00
Local company required: YES
Local contact person required: YES
Registration time frame: 3 day(s)

Enter the .au domain name you wish to register, or select an extension group and click search button

For more information on registering .AU domain names with and without Local Trustee Service please refer to:
.AU domain names registration with local presence