 When the U.S. Attorney General determines that an emergency exists, the Attorney General may authorize the emergency employment of electronic surveillance before obtaining the necessary authorization from the FISC, if the Attorney General or their designee notifies a judge of the court at the time of authorization and applies for a warrant as soon as practicable but not more than seven days after authorization of such surveillance, as required by .If an application is denied by one judge of the court, the federal government is not allowed to make the same application to a different judge of the court, but may appeal to the United States Foreign Intelligence Surveillance Court of Review.Such appeals are rare