கைதிகளின் நடத்துதுகைக்கான ஐக்கிய நாடுகளின் குறைந்தபட்ச தராதர விதிகள் (நெல்சன் மண்டேலா விதிகள்)

The following rules are not intended to describe in detail a model system of penal institutions. They seek only, on the basis of the general consensus of contemporary thought and the essential elements of the most adequate systems of today, to set out what is generally accepted as being good principles and practice in the treatment of prisoners and prison management.