Article 674 of the French Civil Code
Anyone who causes a well or cesspit to be dug near a party wall or not, Anyone who wishes to build a chimney or hearth, forge, oven or furnace there, Lean a stable against it, Or establish a salt shop or heap of corrosive substances against that wall, Is obliged to leave the distance prescribed by the particular regulations and usages on these objects, or to make the works prescribed…