The historical conditions in Poland resulting from the geographical location between two powers fighting against each other in the past (Russia and Germany) left a permanent trace in the cadastre documentation for the lands of former partitions. This is particularly visible in the areas of the former Prussian partition and the former Austrian partition where one can still find, apart from the documentation of the present systems, also documents of the former cadastre systems. Data from these systems is currently used quite often in various geodetic works and legal issues, including for the needs of contemporary systems (EGiB) as well as land and mortgage registers (KW). In this paper, an attempt is made at verifying the criterion of balancing spatial data (space) based on the example of randomly-chosen equivalents prepared for cadastral objects of the record units of Krowodrza and Nowa Huta in Krakow. The scope of the analysis mainly covers equivalents for the transformation from the Austrian system of land tax to the system of land and building register (EGiB) maintained in "large" precincts or in modernised technology as well as for relations that entail the shift from a system (EGiB) kept in "small" or "large" precincts to the system kept following the modernisation process. The research is aimed at demonstrating the discrepancy between the adopted criterion of equivalency at the level of 10% of the difference in space and the corresponding difference in the value of lands, depending on the function of the area.

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