Its use was prescribed in the respective constitutional organic law during the Pinochet regime.
By year's end 126 individuals had been convicted and sentenced for human rights violations during the Pinochet regime.
In 2011, commission identified an additional 9,800 victims of political repression during the Pinochet regime.
He is among the list of people deemed disappeared under the Pinochet regime.
The party said its followers should vote "no" because that appeared to be a way to help end the Pinochet regime.
As such, he became one of the main leaders of the opposition to the Pinochet military regime at that time.
More than 3,000 people died or disappeared during the Pinochet regime, which lasted from 1973 to 1990.
In those, he justified street protests against the Pinochet regime and said it might be impossible to avoid violence.
That is twice as many as under the Pinochet regime.
But that law was repealed by decree in 1989 during the final months of the Pinochet regime.