Official Cadastral Surveying 

Official cadastral surveying , also known as land register surveying, serves to create and maintain the land register. It secures land ownership and is the basis for the establishment and operation of the Liechtenstein spatial data infrastructure (GDI).

As the office responsible for official cadastral surveying, the Surveying and Geoinformation Division works closely with the Swiss Federal Directorate of Cadastral Surveying (V+D). For the most part, the work of official surveying is entrusted to patented engineering surveyors. These surveyor offices work in compliance with the legal framework, in accordance with the country's technical guidelines, data catalog and level of detail.

The components of the cadastral survey are

• The fixed points and boundary signs
• The data according to the data catalog of the official cadastral survey
• The plan for the land register and other excerpts from the official cadastral survey
• Other technical documents

The data catalog is divided into 11 layers. These are thematically separated and can be freely linked and combined with each other or with other spatially relevant layers. The data is available for private parties in INTERLIS format or common CAD and GIS formats.

The first land register surveys were created after the introduction of the surveying law in 1945. In the last 60 years, a rapid technical development has taken place, which manifests itself in different surveying standards.

In 2017, with the first survey of the Eschner Riet (Tentscha, Teilig, Rheinau), the last area of the old cadastral survey from 1870 was included in the land register. Thus, the area measure "fathom" (better square fathom) has become obsolete in the Principality of Liechtenstein.

In 2018, the last two renewal areas (areas on the Rhine valley side of Triesenberg and Malbun) were declared legally valid. Thus, the entire country is in accordance with the latest regulations for official cadastral surveying (AV93/DM01).