The Office of the High Representative oversees civilian implementation of the peace agreement that ended the Bosnian war
Background
The Office of the High Representative (OHR) is an ad hoc international institution.
It is responsible for overseeing implementation of the civilian aspects of the Peace Agreement that ended the war in Bosnia and Herzegovina.
The agreement was negotiated in Dayton, Ohio, and signed in Paris on 14 December 1995.
The High Representative works with Bosnia's people and institutions and the international community so the country evolves into a peaceful and viable democracy.
The Peace Implementation Council Steering Board is the international body guiding the peace process.
In plain words
OHR Office of the High Representative — The international body overseeing the civilian side of Bosnia's peace agreement.
Ad hoc Created for a specific purpose — Set up for one particular task rather than as a permanent body.