Do I need permission to publish material that has been discontinued? If the WSO maintains a copyright, yes. Please contact the WSO for more information on any material in question. WSO2017-12-22T11:14:16+00:00December 22, 2017| Share This Post, Choose Your Platform! FacebookTwitterEmail Leave A Comment Cancel reply Comment Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.