1772

The owner of a wall which is not a party wall, adjoining another’s tenement, may make in it windows or openings to admit light, at the height of the ceiling joists or immediately under the ceiling, of the dimensions of thirty centimeters square, and, in any case, with an iron grate embedded in the wall and a wire screen.\nNevertheless, the owner of the tenement or property adjoining the wall in which the openings are made may close them, if he acquires the part-ownership of the wall and if there be no agreement to the contrary.\nHe may also obstruct them by building on his land or raising a wall adjacent to that having such opening or window.\nHistory —Civil Code, 1930, § 517.