OSA concluded 126 reciprocal or unilateral agreements with 81 authors’ societies worldwide. These societies, through agreements with other collective management organizations, cover most of the world. List of the reciprocal agreement here.

Thanks to these contractual obligations the copyrights of domestic authors and publishers are protected worldwide and copyrights of more than three and half million foreign authors and publishers are protected in the Czech Republic. 

OSA is a member of international organizations 


Groupement Européen des Sociétés d’Auteurs et Compositeurs
(European Association of Authors and Composers)

Within GESAC, OSA is part of the Madrid Group - working group composed of representatives of each member organization, and prepares legal opinions on topical issues in the field of copyright law.


Confédération Internationale des Sociétés d’Auteurs et Compositeurs
(International Confederation of Societies of Authors and Composers)

Since 2011, OSA has been the holder of the highest degree of evaluation performed by the CISAC. In an in-depth audit, focused on effectiveness of management, transparency of internal documents (the Distribution Rules, the Statutes of OSA, society directives etc.) and processes (for example monitoring of financial flows of non-specific income), equal approach to all rights holders (domestic or foreign, members or non-members), or quality and extent of the offered services, OSA was found to be a society fulfilling the so-called Professional Rules, which are binding on companies united within CISAC, without any exception.


Bureau International des Sociétés Gérant les Droits d’Enregistrement et de Reproduction Mécanique
(International Bureau of Companies Managing Rights for Mechanical Recording and Reproduction of Musical Works)