Nationality Act ( 8 U.S.C. 1439 and 1440). (f) Renewed background checks The Secretary of Homeland Security, in coordination with other departments and agencies as appropriate, shall conduct new background checks on all aliens filing petitions under this subsection. 6. Exclusive jurisdiction The Secretary of Homeland Security shall have exclusive jurisdiction to determine eligibility for relief under this Act, except where the alien has been placed into deportation, exclusion, or removal proceedings either prior to or after filing an application for relief under this Act, in which case the Attorney General shall have exclusive jurisdiction and shall assume all the powers and duties of the Secretary until proceedings are terminated, or if a final order of deportation, exclusion, or removal is entered the Secretary shall resume all powers and duties delegated to the Secretary under this Act. 7. Confidentiality of information (a) Prohibition Except as provided in subsection (b), no officer or employee of the United States may— (1) use the information furnished by the alien pursuant to an application filed under this Act to initiate removal proceedings against any person identified in the application