First, navigate to the Subscription page in Storrito and click Invoices.

Then find the payment you want to add your VAT number and address to:

Click on "Update Invoice"

In the next menu, enter your name, address and VAT number and click on "Update Invoice"

Paddle will refund the tax you have already paid once you provide your VAT number.
Please bear in mind that the refund process can take a few days.