The committee hears representatives of the local authorities and departments concerned, as well as the owner and manager of the circuit.
It may request an expert opinion from the relevant government departments, as well as from any person or organisation whose assistance it deems useful, or may hear them.
It may ask one or more of its members to carry out a specific survey of a circuit. In the event of a modification to an approval, under the conditions laid down in the penultimate paragraph of article R. 331-37, this visit is equivalent to an on-site visit by the Commission.