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Changing, pausing, closing, selling, or winding up a business

Find out what you need to do when you plan to change, pause, sell or close your business.

Last updated 9 June 2026

Media: Selling or closing your business
https://tv.ato.gov.au/ato-tv/media?v=bd1bdiubfiysjdExternal Link (Duration: 2:40)

If you're changing, pausing, closing, selling or winding up a business, you should:

For more information:

If you registered a business but haven’t started

If you have registered a business but didn't start the business, and have now decided that you will not operate, you must cancel your ABNExternal Link.

If you have started a business and have made a loss, you need to lodge a tax return before you cancel your ABN.

If you start running your business again, you'll need to apply for an ABN online at Australian Business RegisterExternal Link. In most cases if your business structure hasn’t changed, we’ll register you with the same ABN.

QC20300