According to the Horizon 2020 Open Access Mandate, all beneficiaries must deposit their peer-reviewed publications to ensure Open Access. TÜBİTAK obliges all CoCirculation2 fellows to deposit their peer reviewed publications in open access mode, in a repository of their choice. This obligation will be included in the fellowship acceptance form that is signed between TÜBİTAK, the host organisation and the fellow. TÜBİTAK ULAKBIM – National Open Access Committee has been founded to establish and implement Open Access policies in Turkey. The TÜBİTAK Science Archive has been established which will provide opportunities to publish in open access the project outcomes of projects that have been supported by TÜBİTAK, including publications resulting from CoCirculation2 projects. The archive will be important to collate all institutional archives in Turkey and will be integrated to the other systems in the European Research Area. In addition, 167 of the Turkish universities and research institutes have their own open access repositories. Fellows may also publish in the European Union Open Access portal OpenAIRE. Fellows who wish to store their research data in an open access repository may do so in a H2020 repository or in the depository of their host organisation if they have one, and will receive guidance from TÜBİTAK in the procedures.