Considerations on the needs and opportunities of introducing multidimensional cadastre have been carried out for several years all over the world, including Poland. The European Union provides the Member States with a legal framework in the form of a standard governing the development of widely understood land administration systems. The cadastre as a source of information about the lands and their owners must first of all enable the proper management of the land. The basic aspect that we encounter in the discussion on the cadastre is the identification of the land parcel and the rights in rem of particular subjects. Registration of rights in the layer system is the core of a multi-dimensional cadastre. Harmonization of all regulations affecting the functioning of the cadastre will be a basic condition of a 3D cadastral parcel definition and creation of a multidimensional cadastre in Poland. The paper proposes a layer system of cadastral parcels, which derives from the current definition of parcel, taking into account the ownership of a traditional parcel along with the space above and below the ground and its constituent parts. ...
