Lodge a form by mail

The following forms are available for your Australian business number (ABN) registration – to:

  • change your ABN details – Change of registration details (NAT 2943)
  • cancel your ABN registration – Application to cancel registration (NAT 2955)

You need to quote the reference number that is in brackets when ordering the form from the Australian Taxation Office.

Next steps:

Last modified
19 May 2020