Entities with the following characteristics fall under the category of operators performing such services:

• they are road haulage undertakings;
• as of 31 December 2022, they have vehicles at their disposal, with loading capacity and a total mass exceeding 26.000 (twenty-six thousand) kilograms or tractors with towable weight exceeding 26.000 (twenty-six thousand) kilograms;
• at least one of these vehicles provides a connection service with motorways, ports, rail freight ports, airports, inland terminals.