blog posts Prefix Change on iBuy Invoices Feb 9, 2021 7:00 amPaying PeopleBuying and ContractsFY 21iBuy invoice numbers have reached their 8 character limit. Going forward, all iBuy invoices in Banner will now begin with the prefix ‘IN’ instead of ‘IE’. ContactIf you have questions, please contact University Payables Customer Service at:217-333-6583888-872-9953OBFSUPAY@uillinois.edu