Article 1394 of the French General Tax Code
The following are exempt from property tax on undeveloped properties: 1° National roads, departmental roads, communal roads, including public squares used for fairs and markets, as well as the roads of land associations for agricultural and forestry land development, rivers; 2° State properties, properties of the regions, properties of the departments for taxes levied by the communes and properties of the communes for taxes levied by the commune to which…