maanmittauslain

The Maanmittauslaki, or Land Survey Act, is a Finnish statute that provides the legal framework for surveying, mapping, and the formation and registration of real estate in Finland. It defines the duties and powers of the National Land Survey of Finland (Maanmittauslaitos) and establishes the procedures for establishing and altering property boundaries, forming new real estate units, and maintaining authoritative geographic and cadastral data.

The act governs cadastral surveying and real estate formation, including how boundaries are determined and recorded, how parcels are divided or merged, and how changes are reflected in cadastral registers and maps. It sets requirements for measurement accuracy, professional responsibilities, and the use of official geographic information in planning and construction.

Data access and coordination are also addressed, with provisions for maintaining core cadastral and topographic data as a public information system while respecting privacy and security requirements. The act promotes the use of a national coordinate system and standardized methods to ensure consistency of spatial data across the country, including procedures for verification, updates, and official use of the data.

Relation to other legislation is an important aspect, as the Maanmittauslaki works in concert with planning and building laws and other land administration regulations to ensure coherence between land use planning, property rights, and land registration. The act has evolved through amendments to reflect digitalization, online services, and modernization of cadastral processes.