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Cancelling GST registration

Cancelling your GST registration
If you're selling or closing your business, you must cancel your GST registration (and your ABN registration) within 21 days of the sale or closure. You may also need to cancel your GST registration if you restructure your business. You can ask us to cancel your registration if you want to opt out of the GST system and your turnover is below the GST threshold for compulsory registration.
If your business changes or ceases
You must cancel your GST registration within 21 days of selling or closing your business. You may also need to cancel your GST registration if you are restructuring your business.