Source: https://www.law.cornell.edu/uscode/text/18/2709
Timestamp: 2019-04-24 10:58:39+00:00

Document:
request the name, address, and length of service of a person or entity if the Director (or his designee) certifies in writing to the wire or electronic communication service provider to which the request is made that the information sought is relevant to an authorized investigation to protect against international terrorism or clandestine intelligence activities, provided that such an investigation of a United States person is not conducted solely upon the basis of activities protected by the first amendment to the Constitution of the United States.
If a certification is issued under subparagraph (B) and notice of the right to judicial review under subsection (d) is provided, no wire or electronic communication service provider that receives a request under subsection (b), or officer, employee, or agent thereof, shall disclose to any person that the Federal Bureau of Investigation has sought or obtained access to information or records under this section.
danger to the life or physical safety of any person.
other persons as permitted by the Director of the Federal Bureau of Investigation or the designee of the Director.
A person to whom disclosure is made under subparagraph (A) shall be subject to the nondisclosure requirements applicable to a person to whom a request is issued under subsection (b) in the same manner as the person to whom the request is issued.
Any recipient that discloses to a person described in subparagraph (A) information otherwise subject to a nondisclosure requirement shall notify the person of the applicable nondisclosure requirement.
At the request of the Director of the Federal Bureau of Investigation or the designee of the Director, any person making or intending to make a disclosure under clause (i) or (iii) of subparagraph (A) shall identify to the Director or such designee the person to whom such disclosure will be made or to whom such disclosure was made prior to the request.
A request under subsection (b) or a nondisclosure requirement imposed in connection with such request under subsection (c) shall be subject to judicial review under section 3511.
A request under subsection (b) shall include notice of the availability of judicial review described in paragraph (1).
The Federal Bureau of Investigation may disseminate information and records obtained under this section only as provided in guidelines approved by the Attorney General for foreign intelligence collection and foreign counterintelligence investigations conducted by the Federal Bureau of Investigation, and, with respect to dissemination to an agency of the United States, only if such information is clearly relevant to the authorized responsibilities of such agency.
On a semiannual basis the Director of the Federal Bureau of Investigation shall fully inform the Permanent Select Committee on Intelligence of the House of Representatives and the Select Committee on Intelligence of the Senate, and the Committee on the Judiciary of the House of Representatives and the Committee on the Judiciary of the Senate, concerning all requests made under subsection (b) of this section.
A library (as that term is defined in section 213(1) of the Library Services and Technology Act (20 U.S.C. 9122(1)), the services of which include access to the Internet, books, journals, magazines, newspapers, or other similar forms of communication in print or digitally by patrons for their use, review, examination, or circulation, is not a wire or electronic communication service provider for purposes of this section, unless the library is providing the services defined in section 2510(15) (“electronic communication service”) of this title.
2015—Subsec. (b). Pub. L. 114–23, § 501(a), substituted “may, using a term that specifically identifies a person, entity, telephone number, or account as the basis for a request” for “may” in introductory provisions.
Subsec. (c). Pub. L. 114–23, § 502(a), added subsec. (c) and struck out former subsec. (c) which related to prohibition of certain disclosure.
Subsecs. (d) to (g). Pub. L. 114–23, § 503(a), added subsec. (d) and redesignated former subsecs. (d) to (f) as (e) to (g), respectively.
Subsec. (f). Pub. L. 109–178, § 5, added subsec. (f).
2001—Subsec. (b). Pub. L. 107–56, § 505(a)(1), inserted “at Bureau headquarters or a Special Agent in Charge in a Bureau field office designated by the Director” after “Deputy Assistant Director” in introductory provisions.
“(B) there are specific and articulable facts giving reason to believe that the person or entity to whom the information sought pertains is a foreign power or an agent of a foreign power as defined in section 101 of the Foreign Intelligence Surveillance Act of 1978 (50 U.S.C. 1801); and”.
1996—Subsec. (b)(1). Pub. L. 104–293 inserted “local and long distance” before “toll billing records”.
Subsec. (e). Pub. L. 103–142, § 2, inserted “, and the Committee on the Judiciary of the House of Representatives and the Committee on the Judiciary of the Senate,” after “Senate”.

References: § 501
 § 502
 § 503
 § 5
 § 505
 § 2