How was Permanent International Peace Bureau awarded the Nobel Prize Peace?

Name: Institute of International Law.
Founded: 13 November 1891.
Founded Location: Switzerland.
Headquarters: Berlin, Germany..
Type: NGO.
Purpose: Peace activism.
Coordinates: 52.522454°N 13.383641°E.
Noble Prize Year: Nobel Prize for Peace in 1910, for the peace societies of the various countries.