To view and manage the VAT codes set against each VAT rate please navigate to the following screen:
At the top, click the Admin Cogs
icon.
On the left, click Accounts Export.
Locate and click the name of the accounts export currently in use.
On the Settings tab, review and assign the VAT codes.
At the bottom, click Save Changes.
Any order/invoice exported from this point onwards will use the new VAT code.