Are internal connections and fixtures part of a property unit?

The full explanation

Within a private unit, the law includes various systems and additions as part of the owner's property. This encompasses internal connections specifically serving that unit, as well as all fixtures and fittings installed by the occupant. Furthermore, any additions, modifications, and improvements made to the unit over time are legally considered part of the unit. This allows owners to personalize their space while clearly defining that their responsibility�and ownership�extends to these internal upgrades and the specific utility lines that only serve their private area.