What should I do if my invoice is incorrect? – Zendesk

To request an amended invoice you should:

Know the invoice number. You can find it in the 'Invoice Number' field of your invoice.
Have all the details for the amended invoice: your institution's billing address, VAT number/tax exemption certificate or Purchase Order number, if applicable.

How

Please contact us to request an amended invoice. After your request has been received:

Your original invoice will be cancelled and a credit note generated in our system. This will be sent electronically to the same e-mail address that the original invoice was sent to.
A few days later you will receive the amended invoice via email. If you didn't receive the amended invoice via email, please check your Spam/Junk folder.

If you contact us please be sure to provide all requested details and as much information as possible. Taking these steps will ensure your question reaches the team best placed to support you.