Created by then-High Representative Carlos Westendorp in 1999, PBS has remained more of a concept than a reality, for reasons ranging from lack of money to governments' missing deadlines to international community ad hoc solutions.
Taj sistem, koji je 1999. godine uspostavio tadašnji visoki predstavnik Karlos Vestendorp, ostao je u fazi pukog koncepta i nikada nije zaživeo. Razlozi su brojni - od nedostatka sredstava, do nepoštovanja rokova od strane vlasti i ad hok rešenja međunarodne zajednice.