Definition : Residential unit

Private portion intended exclusively for residential use and occupancy by one or more persons. It generally comprises a room or a set of rooms, located, equipped and built such as to form a separate entity with its own amenities (e.g., kitchen, bathroom).

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In divided co-ownership, the right of ownership is divided, among the co-owners, by "fractions", each comprising a materially divided private portion (e.g. a residential unit, a parking or storage space, and sometimes even a plot of land) and a share  of the common portions. To each fraction is attached an undivided right of ownership in the common portions, and sometimes the right to use the common portions for restricted use. The fraction is the result of the division of a building to create a co-ownership. In other words, the addition of all the fractions constitutes, by the effect of the publication of a declaration of co-ownership, the co-ownership building.
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The characteristic of divided co-ownership is to divide the building into various lots that will be the exclusive property of the co-owners (private portions), and for others that will be the property of all the co-owners (common portions). These lots are identified by an individual number, which was assigned during the cadastral operation. Each of the private lots of the co-ownership thus constituted becomes a unique property. The distinction between the common and private portions is essential, particularly from the point of view of maintenance, which is the responsibility of the syndicate of co-owners for the common portions and of the co-owners for the private portions.   
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