WHO can become a member of OSA? What’s the difference between being represented by OSA and being a member of OSA? A represented person: is an author, an heir or a publisher who has closed a contract on representation with OSA A member: is a represented author, heir or publisher has been represented by OSA for at least 5 years has met the stipulated annual royalty requirements has been accepted as a member by OSA’s General Assembly is able to make an active contribution to our society’s activities For further information regarding our membership conditions, please click: OSA’s Articles of Association, Article 4.