How do I undo my VAT return ?

Thanks for posting in the Community, darylwharvey,

Let me share information about how to undo VAT return in QuickBooks Online.

Unfiling VAT return will be processed by our back-end team. With this being said, let me guide you to the right direction.

To contact us, here's how:

1. Click this link https://help.quickbooks.intuit.com/en_GB/contact.
2. Choose the QuickBooks Product.
3. On the Contact Us page, select a topic.
4. Click on Get Phone Number button to see the support number.

As always, if you have any other concern in managing your account, please feel free to visit the Community again. Have a wonderful day ahead!