Please enter the following details for any one of your recently PAID invoices so that we can validate your request. Please choose an invoice that was created within the last 180 days. Note: Information entered during registration will be used for all future correspondence in the Portal. 4. Click “Submit”. An automated email will be sent to the user within one business day containing user name and password Note: If multiple user accounts are required for one supplier, please repeat the Self-Registration process for each user.