Purchase Orders

To pay with a purchase order online simply add the appropriate items to your shopping cart and during checkout select "Invoice" as your payment option and follow the instructions provided.  Please have your purchase order number available as well as the appropriate billing contact information (name, address, phone, email). Once you have submitted the order via your cart, you must send your School's Purchase Order via Fax at (708) 292-3415 or via email to  scienceolympiad@ctlglobalsolutions.com