Article D5217-20 of the French General Code of Local Authorities
The metropolitan authority depreciates its fixed assets, including those made available or assigned: 1° Intangible; 2° Tangible, with the exception of road networks and installations for which depreciation is optional. This depreciation does not apply to fixed assets owned by the metropolis that are handed over on assignment or at disposal, nor to land and land improvements except for deposit land, nor to collections and works of art, nor to…