NAVIGATION TOOL | Referees > Searchable Class Listing Searchable Class Listing Classes for the 2007 registration cycle are completed. New listings will be posted after July 1, 2007 for recertification classes as well as 09 and 08 courses. Searchable Class Listing   © Copyright 2008 Oklahoma Soccer Association. All rights reserved.   © Copyright 2008 Demosphere International, Inc. All rights reserved.