Shared protected areas between neighboring states (Slovakia – Austria – Czech Republic – Poland – Ukraine)
Lack of joint planning and financing of cross-border infrastructure, e.g. roads, railways, transport corridors. (Estonia)
Manque de pouvoir règlementaire pour GECT et GLCT (France, Belgique,Suisse, Grand-Duché du Luxembourg, Allemagne)
Recovery of health care services’ costs provided by the hospital in the border region to the inhabitants from other side of border (Estonia)
Recovery of the educational costs of the student coming from border region of other country (Estonia)
Bilateral Commissions and Institutions Cooperation in nature and landscape protection (Slovakia – Hungary – Poland – Ukraine)
International exchange of information between police forces (Slovakia – Austria – Hungary – Poland – Czech Republic)
