The government says they would be imposed on terror suspects who cannot be prosecuted in courts.
This could be because the evidence against them has been collected by bugging the suspect - and is therefore inadmissible - or because using it could reveal intelligence sources.
Interim orders, signed by the home secretary, must be referred to a judge within seven days for confirmation.
They could include:
Most Popular Now | 19,200 people are reading stories on the site right now.";