Because most details on a tax invoice cannot be changed after it has been issued, it's important to ensure that these are kept up to date, particularly for users on plans where invoices are issued automatically on the renewal date.
These details are stored seperately to the account details as in many organisations it's not the same person who uses the account who also arranges paying for it.
Business Annual & Teams Plans
To update your billing details, go to "My Account" , Choose "Billing" from the menu on the left, and then click "Edit Billing Details" towards the bottom of the page.
You'll see this page open up:
Please note that you cannot change the Billing Address on a tax invoice once it's been issued due to HMRC rules, but if you are unable to add the PO Number before the invoice is issued, you can add it from the Billing Page afterwards, and then download a PDF containing the updated details.
You will receive an Invoice PDF by email as well as a link to open your hosted invoice page.
Enterprise Plans
To update your billing details, go to "My Account" , Choose "Billing" from the menu on the left, and then click "Edit Details" You'll see this:
Make any required changes in the boxes, then save the changes using the "Save Changes" button