Now you have selected the type of domain name that will suit your enterprise, you will need to decide on the name itself.

It is extremely important in today’s market to adopt an integrated marketing strategy which alignments your print and electronic promotional media. Register your business name, products, services and any other relevant inputs into your organization. This will aid in having your products, services or ideas found by others on the Internet.

Note: some restrictions apply to .com.au domains.
Basically, you need to have an Australian Business Number (ABN). Click here for full details on the .com.au domain name policy.