Article R2223-13 of the French General Code of Local Authorities
The state of abandonment is recorded in a report drawn up by the mayor or his delegate after a visit to the site, in the presence of a police officer delegated by the head of the district or, in the absence of the latter, a forest warden or a municipal police officer. The descendants or successors of the concession holders, if the mayor is aware that any still exist, are…