If we want to understand accuracy of existing land cadastral data, we first need to learn about history of legislation about land cadastre. In master's thesis we discuss about the legislation which was validon Slovenia territory between 1918 and 2000. I analyzed all the important laws and instructions in that period, which affected on boundary settlement and plot division. Focus is mainly on surveying methods and contents of elaborates. In the end I presented elaborates, which were made on the basis of analyzed legislation.