Paul Preston
In different periods if History like in the Civil War the Summary Trails took the place of the regular trials hence suppressing the areas corpus
staisil
To protect the country during acts of rebellion or terrorism (i.e. the American Civil War, the Oklahoma City Bombing and the 9-11 Attacks).
TheSicilianSage
Necessity of war.
- During periods of war or rebellion, military necessity may require holding persons suspected of espionage without direct proof in order to save lives.
Athena
It is suspended during times of DECLARED national emergency.