ISO 19152-2:2025

Geographic information — Land Administration Domain Model (LADM) — Part 2: Land registration

This document:

—     defines a reference land administration domain model (LADM) covering basic information-related components of land registration (including elements above and below the surface of the Earth);

—     provides an abstract, conceptual model with three packages and one sub-package related to:

—    parties (people and organizations);

—    basic administrative units, rights, responsibilities and restrictions (RRRs);

—    spatial units (parcels, and the legal space of buildings and utility networks and other geometry) with a sub-package on surveying and spatial representation (geometry and topology);

—     provides terminology for land administration (LA), based on various national and international systems, that is as simple as possible in order to be useful in practice. The terminology allows a shared description of different formal or informal practices and procedures in various jurisdictions;

—     provides a platform for comparison and monitoring that is based on indicators;

—     provides a basis for national and regional profiles; and

—