A pending proposal for a new Law on the Cadastre in Norway includes for the first time regulations for establishing and registering properties under and above the surface. The new regulations shall typically cover for registration of parking garages in the underground, or for registration of building/constructions on pillars above the surface, as separate properties. It is assumed that the law will be adopted by the Parliament in 2002.

The proposed regulations consider 3 D properties to be subdivided and registered largely in line with establishing parcels on the surface. The Law Committee saw no major problems in making neighbouring properties vertically "above each other", than dividing properties horizontally, making neighbours "next to each other". The proposal refers to 3 D properties as "Construction properties", proposing that such properties should only be registered when it is needed for realisation of a specific construction. An important issue is to ensure a distinction between ”construction properties” and condominiums.