as agents of foreign powers under Foreign Intelligence Surveillance Act of 1978. Sec. 203. Clarification regarding treatment of information acquired under Foreign Intelligence Surveillance Act of 1978. Title III—Reforms Regarding Foreign Intelligence Surveillance Act Court and Privacy and Civil Liberties Oversight Board Sec. 301. Improved role in oversight of electronic surveillance by amici curiae appointed by courts under Foreign Intelligence Surveillance Act of 1978. Sec. 302. Reforms to the Foreign Intelligence Surveillance Court. Sec. 303. Study and report on diversity and representation on the FISA Court and the FISA Court of Review. Sec. 304. Reforms of the Privacy and Civil Liberties Oversight Board. Sec. 305. Clarification of applicability of requirement to declassify significant decisions of Foreign Intelligence Surveillance Court and Foreign Intelligence Surveillance Court of Review. Title IV—Sunset of National Security Letter Authorities Sec. 401. Sunset of national security letter authority. Title V—Other Matters Sec. 501. Limitation on collection without express statutory authority. I Reform and Oversight of Authority To Access Certain Business Records for Foreign Intelligence and International Terrorism Investigations and for Roving Surveillance A Reform and Oversight of Authority To Access Certain Business Records for Foreign Intelligence and International Terrorism Investigations 101. Repeal of authority to access on an ongoing basis business records for foreign intelligence and international terrorism investigations (a) In general Subsection (a) of section 501 of the Foreign Intelligence Surveillance Act of 1978 ( 50 U.S.C. 1861 ) is amended by adding at the end the following: (4) The authority under paragraph (1) shall not include an application for an order requiring the production— (A) on an ongoing basis of any tangible things