Purchase Orders will be accepted from all recognized organizations (schools, camps, government agencies, non-profit organizations). All purchase orders must have the signature of an authorized representative of your organization. If you are mailing your order, please enclose your signed purchase order. If faxing your order, please fax a copy of your signed purchase order. If ordering on-line, please also fax or email a copy of your signed purchase order after you have placed your order, and include the order number you receive once your order is placed. Payment terms on all purchase orders is Net 30 days.