Open accounts are available to all schools and bona fide organizations. Net amount due on receipt of the invoice. Dealers’ first order must be prepaid, Visa, Mastercard & Discover accepted. All checks need to have the U.S. Bank bar code or they will be returned with an additional handling fee. To qualify for tax ex­empt status, the order must be billed to the school or oganization and the tax exempt number must be on file in our of­fice.