; (ii) the Committee on the Judiciary of the Senate; (iii) the Committee on Homeland Security of the House of Representatives; and (iv) the Committee on the Judiciary of the House of Representatives. (B) The term enforcement action — (i) means an apprehension, arrest, interview, request for identification, search, or surveillance for the purposes of immigration enforcement; and (ii) includes an enforcement action at, or focused on, a protected area that is part of a joint case led by another law enforcement agency. (C) The term exigent circumstances means a situation involving— (i) a threat to the national security of the United States; (ii) the imminent risk of death, violence, or physical harm to any person; (iii) the immediate arrest or pursuit of an individual who poses a public safety threat; or (iv) the imminent risk of destruction of evidence that is material to an ongoing criminal case. (D) The term prior approval means— (i) in the case of officers and agents of U.S. Immigration and Customs Enforcement, prior written approval to carry out an enforcement action involving a specific individual or individuals authorized by— (I) the Assistant Director of Operations, Homeland Security Investigations; (II) the Executive Associate Director of Homeland Security Investigations; (III) the Assistant Director for Field Operations, Enforcement and Removal Operations; or (IV) the Executive Associate Director for Field Operations, Enforcement and Removal Operations; (ii) in the case of officers and agents of U.S. Customs and Border Protection, prior written approval to carry out an enforcement action involving a specific individual or individuals authorized by— (I) a Chief Patrol Agent; (II) the Director of Field Operations; (III) the Director of Air and Marine Operations; or (IV) the Internal Affairs Special Agent in Charge