Your Purchase Order number or VAT number can be added to the end of your Billing Address in the Additional Information field. To modify your invoice:
- From the User Home, please navigate to the Generate Invoice page. Note that only the submitting author can generate or update invoices related to the article they submitted.
- Fill in your Billing Address and input your Purchase Order or VAT number in the Additional Information field.
- Complete the rest of the steps to generate or update an invoice.