4. Modes of intervention

4.1 Private expert

Commissioned by a party, he draws up a non-adversarial report based on the information provided by the latter. Nevertheless, it is often used in support of legal proceedings such as summary proceedings, which do not deal with the merits of the case. The court-appointed expert, always distinct from the former, is not bound by the report. It is simply a technical document, usually presenting the technical arguments of one of the parties. The private expert, as we have seen