日本国憲法第29条
財産ヲ所有スル権利ハ不可侵ナリ然レトモ財産権ハ公共ノ福祉ニ従ヒ法律ニ依リ定義セラルヘシ
The ultimate fee to the land and to all natural resources reposes in the State as the collective representative of the people. Land and other natural resources are subject to the right of the State to take them, upon just compensation therefor, for the purpose of securing and promoting the conservation, development, utilization and control thereof.