The development of open access in France has since long been leaning towards a green (i.e. deposit in publication repositories) preference. This has been reflected recently in the debates around the Loi pour une République Numérique where the focus has been put on embargoes and re-use rights for data mining activities. Inria, the national research organisation for computer science and applied mathematics, has gone even further by implementing a deposit mandate associated to a very cautious policy with regards author-pays publication models. In our talk, we will present the tenets for such a policy, advocating the need to have a coherent vision of the future of scientific communication comprising such aspects as document format, licences, certification, hosting, authorities, etc.