The liable entities are the economic operators carrying out one or more of the activities listed below:

1. management of transport infrastructure (railways, ports, airports, motorways, and bus terminals);
2. management of railway service facilities;
3. management of freight handling centres (inland terminals and logistics operators);
4. rail services (including those that are not included in the minimum access package to railway infrastructure);
5. port operations and services;
6. passenger and/or freight transport services, either national, regional and local, subject to public service obligations, carried out through any modes;
7. taxi services;
8. rail passenger and/or freight transport services;
9. sea and inland waterway transport services of passengers and/or freight;
10. road passenger transport services;
11. air passenger and/or freight transport services;
12. shipping agency services;
13. freight forwarding services, excluding those related to road freight transport;
14. ancillary services related to transport and logistics.