; (B) by redesignating subsections (c) through (g) as subsections (b) through (f), respectively; (C) in subsection (c), as so redesignated, in the first sentence— (i) by striking (b) or ; (ii) by striking the contents of a wire or electronic communication, or ; and (iii) by striking sought, are and inserting sought are ; and (D) by adding at the end the following: (g) Application for warrant seeking contents of wire or electronic communication (1) In general An application for a warrant under this section seeking the contents of a wire or electronic communication of a subscriber or customer of an electronic communication service provider or remote computing service provider that is stored, held, or maintained by such provider shall state the nationality and location of the subscriber or customer whose communications are being sought, unless the nationality and location cannot reasonably be determined. (2) Nationality and location not reasonably determined If the nationality and location of the subscriber or customer cannot reasonably be determined, the application shall include a full and complete statement of the investigative steps taken to ascertain the nationality and location of the subscriber or customer. (3) Effective date (A) In general The requirements of paragraphs (1) and (2) shall take effect 14 days after the date on which the Attorney General first publishes a list of not less than 1 qualifying foreign country under section 2703A(e)(3). (B) Applicability The requirements of paragraphs (1) and (2) shall not apply during any period of time in which no country is determined by the Attorney General to be a qualifying foreign country. (4) Jurisdiction over offense A court may issue a warrant under this section for the contents of a wire or electronic communication only if the warrant application was made— (A) by a governmental entity in connection with an investigation of a criminal offense for which that entity has jurisdiction