The Collection maintains a policy of immediate open access to all published content, supporting the principles of free dissemination of scholarly information and the global exchange of knowledge for the benefit of social progress.

All materials are available online immediately upon publication and are free of charge for users and institutions. Readers are permitted to read, download, copy, distribute, print, search or link to the full texts of articles, and to use them for any other lawful purposes without prior permission from the publisher or the author.

This policy fully complies with the principles of the Budapest Open Access Initiative (BOAI) and is implemented in accordance with the terms of the Creative Commons Attribution 4.0 International Licence (CC BY 4.0).

The Collection operates under the Diamond Open Access model: publication is free of charge for both authors and readers.