In its decision of December 4, 2003, G 6/03, V 6/03, the Constitutional Court ruled that the Contaminated Sites Atlas qualifies as a regulation.
The Federal Act on the Financing and Implementation of Contaminated Site Remediation (ALSAG), which has been in force since 1989, forms the legal basis for the collection as well as the financing and implementation of the securing and remediation of contaminated sites in Austria. The amendment that came into force on January 1, 2025, results in significant changes.