It was renewed every 90 days until 1987 , except for a brief period in 1959 .
Under the state - of - siege provisions , the government was empowered to arrest and detain anyone indefinitely without trial , as well as forbid public meetings and demonstrations .
government was renewed every 90 days until 1987 , except for a brief period in 1959 .
Under the state - of - siege provisions , the government was empowered to arrest and detain anyone indefinitely without trial , as well as forbid public meetings and demonstrations .