Purpose: Sending opponents to exile was an infamous punishment, practiced during the time of Reza Shah. In order to reveal dimensions of the practice, this paper asks who, why, and by which authorities people were sent to exile.Method and Research Design: Data for this paper was gathered from archival records held in the depositories of the National Archive of Iran.Findings: Soon after the enthronement Reza Shah, Ali Akbar Davar was appointed as the minister of justice to set up a modern judiciary system. A new Penal Code which passed the Majlis (the Parliament) in 1925, was an important component of the.In the new legislation, a number of punishments were replaced by exile. Consequently, the number of people sent exile increased. Many of exiles were not issued by courts of law, but were decisions made by the police chiefs and by the military .Legislations such as mandatory military service, uniform civil clothing, and forced settlement of nomads caused rebellion in different sectors. Exile was a common way of suppressing such events.