You will have to create an account with your first order at this web site. Afterward, you will receive an email telling how to access this account. By accessing your account at "Chess'n Math Association - School Chess Supplies", you can view your order status (pending, completed, etc.) or you can search through your orders history.
Organizations such as schools, clubs or government agencies can demand to get a customer account (customer number) with the Association to be able to pay by check their orders.