Article 55 — Coordination among infrastructure managers

1. Infrastructure managers shall coordinate among themselves and with other relevant stakeholders in relation to the responsibilities and tasks entrusted to them under this Regulation. 2. Infrastructure managers shall in particular: (a) establish organisational structures, procedures and tools, as appropriate, including the digital tools referred to in Article 66; (b) coordinate at the most appropriate geographical level, including at the level of the European Transport Corridors, involving the entities which are best placed to achieve effective and efficient outcomes, in line with the principle of subsidiarity; (c) cooperate with other infrastructure managers through the designated focal points referred to in Article 64; (d) involve ENIM or the network coordinator, as appropriate, on matters having Union relevance; (e) appoint a leading entity, whenever coordination activities involve multiple actors, which shall report to ENIM and shall be responsible for organising consultation activities in accordance with Article 57; (f) refer to ENIM cases where agreed outcomes cannot be reached; (g) review the performance of coordination activities in accordance with Chapter IV. 3. The coordination may be implemented at more than one level, in particular for matters where coordination is required both at Union level and within a more specific geographical scope. 4. Where ENIM or the network coordinator are involved in the coordination, they shall ensure that cross-border aspects are properly taken into account. 5. The coordination shall cover all sections and nodes which are part of the European Transport Corridors. Infrastructure managers may extend coordination to additional lines subject to an agreement between all infrastructure managers concerned. 6. The coordination relating to the allocation of multi-network capacity rights in accordance with Article 30 shall cover the entire networks of the infrastructure managers that are members of ENIM.