This article presents technological and legal aspects of geodesic works related with renewing, marking out of landmarks and establishing borders of lands parcels. In this dissertation were discussed individual cases related with measurement of boundaries and actions that geodesist executes, depending on condition of landmarks and existing geodesic- legal documentation. First case is related with situation when landmarks are not displaced, confirmed by demarcation of boundaries, which was established according to judicial decision or for cadastre purposes. Second case is connected with situation when landmarks were moved, damaged or destroyed although all documentation exists, so can be used to renew them. Third case is related with lack of proper documentation, which reveals delimitation of boundaries in land records or those data are not credible or do not meet the requirements of technological standards. In this sort of situation is necessary to delineate boundaries of lands parcels. Delimitation of boundaries can be made in two procedures – delimitation for lands and properties for cadastre purposes and demarcation of boundaries by judicial decision. An assessment of the actual situation is based on technical regulations and on real geodesic works. In order to eliminate incoherence of technologically – legal area of borders of land parcels – which are result of lack of proper distinguish of boundaries locations for purposes of cadastre from boundaries demarcations established by judicial decision – propositions of changes in existing regulations are also indicated.

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