; (2) identify any gaps in homeland or national security that could be addressed to prevent future acts of terrorism; and (3) include any recommendations for additional measures that could be taken to improve homeland or national security, including recommendations relating to potential changes in law enforcement practices or changes in law, with particular attention to changes that could help prevent future acts of terrorism. (c) Exception (1) In general If the Secretary of Homeland Security, the Attorney General, or the Director of the Federal Bureau of Investigation determines any information described in subsection (b) required to be reported in accordance with subsection (a) could jeopardize an ongoing investigation or prosecution, the Secretary, Attorney General, or Director, as the case may be— (A) may withhold from reporting such information; and (B) shall notify the appropriate congressional committees of such determination. (2) Savings provision Withholding of information pursuant to a determination under paragraph (1) shall not affect in any manner the responsibility to submit a report required under subsection (a) containing other information described in subsection (b) not subject to such determination. (d) Definitions In this section: (1) Act of terrorism The term act of terrorism has the meaning given the term in section 3077 of title 18, United States Code. (2) Appropriate congressional committees The term appropriate congressional committees means— (A) in the House of Representatives— (i) the Committee on Homeland Security; (ii) the Committee on the Judiciary; and (iii) the Permanent Select Committee on Intelligence; and (B) in the Senate— (i) the Committee on Homeland Security and Governmental Affairs; (ii) the Committee on the Judiciary