Constitution of the Principality of Liechtenstein. Country/Territory Liechtenstein Document type Constitution Date 1921 Source FAO, FAOLEX Subject Agricultural & rural development, Forestry, Land & soil, Water Keyword Farming Less favoured areas Mountain area Agricultural development Afforestation/reforestation Forest management/forest conservation Land tenure Ownership Sustainable development Geographical area Alps, Europe, Western Europe Full text German/English Website www.bmj.de