\"(7) Any investigative or law enforcement officer, or other Federal official in carrying out official duties as such Federal official, who by any means authorized by this chapter, has obtained knowledge of the contents of any wire, oral, or electronic communication, or evidence derived therefrom, may disclose such contents or derivative evidence to a foreign investigative or law enforcement officer to the extent that such disclosure is appropriate to the proper performance of the official duties of the officer making or receiving the disclosure, and foreign investigative or law enforcement officers may use or disclose such contents or derivative evidence to the extent such use or disclosure is appropriate to the proper performance of their official duties.”
“(8) Any investigative or law enforcement officer, or other Federal official in carrying out official duties as such Federal official, who by any means authorized by this chapter, has obtained knowledge of the contents of any wire, oral, or electronic communication, or evidence derived therefrom, may disclose such contents or derivative evidence to any appropriate Federal, State, local, or foreign government official to the extent that such contents or derivative evidence reveals a threat of actual or potential attack or other grave hostile acts of a foreign power or an agent of a foreign power, domestic or international sabotage, domestic or international terrorism, or clandestine intelligence gathering activities by an intelligence service or network of a foreign power or by an agent of a foreign power, within the United States or elsewhere, for the purpose of preventing or responding to such a threat. Any official who receives information pursuant to this provision may use that information only as necessary in the conduct of that person's official duties subject to any limitations on the unauthorized disclosure of such information. Any State, local, or foreign official who receives information pursuant to this provision may use that information only consistent with such guidelines as the Attorney General and Director of Central Intelligence shall jointly issue.\" (§896)