- à recourir à des formes souples de partenariat public-privé ouvert (régions, États, collectivités locales, entreprises, associations, ONG) associant des financeurs institutionnels, comme la BEI, ou privés;
- to make use of flexible forms of open public-private partnership (regions, States, local authorities, enterprises, associations and NGOs), involving institutional sources of financing, such as the EIB, or private ones;