Purchase orders and tax-exempt orders should be faxed or emailed to 806/281-1407 or email@example.com. Please include your tax-exempt number or certificate with your PO and shopping cart or order form. If you are paying with a school or district credit card, please call 800/575-1424 to have your order processed tax exempt. We cannot process a PO over the phone, as we must have an executed copy of your PO to deliver your items. If you need a quote that does not include tax, you can request one here, or call us at 800/575-1424. Please call 800/575-1424 M-Th 8:00-5:00 and Fri 8:00-4:00 with any questions.