ABN

The Australian Business Number, or ABN is a unique identifier issued by the Australian Business Register (ABR) which is operated by the Australian Taxation Office (ATO). The ABN is a component of the reform known as A New Tax System introduced by John Howard's Liberal government on 1 July 2000.

How do I get an ABN?

• Business name/trading name
• Your legal name
• Your postal address
• Business address
• Business type – sole trader, partnership, company, etc
• Business function (i.e. the industry and type of work carried out)
• Contact details – for you and/or any person entitled to make changes to ABR details
• Australian company number (ACN) or Australian Registered Body Number (ARBN) - if applicable
• Names of the public officer and trustee(s) (if applicable)
• Email address