to the Rail Industry Forum's suite of purchasing and invoicing applications. The Rail Industry Forum is part of the Institute for Supply Management and represents all the major North American railroads. This secure site offers various applications which allow you to receive stock and non-stock purchase orders for material and send material and fuel invoices over the Internet:   EPIRA (Electronic Purchasing and Invoicing Rail Application) allows you to receive stock and non-stock purchase orders and send invoices for those orders. The purchase order information is securely retained on the site and may be converted into an invoice which can be sent to the customer in seconds.   The Fuel Invoicing application allows you to create and submit invoices against any fuel purchase order, regardless of how the order was received.   WIA (Web Invoice Application) allows you to create and submit invoices against any purchase order for material, regardless of how the order was received.   Each requires that you register to use it. To use one of these applications, or just to learn more about it, click on its link above.