47. No authorization is required for
(1) the alienation of a housing complex by a single contract to one and the same person;
(2) the alienation of vacant land where that land has no accessory or dependency in common with the other immovables in the housing complex;
(3) the alienation of a fraction situated in an immovable on which a declaration of co-ownership is registered pursuant to articles 441b to 442p of the Civil Code of Lower Canada.