; 49 U.S.C. 44903 note) is amended— (1) in section 3— (A) in subsection (b), in the matter preceding paragraph (1), by striking may each place it appears and inserting shall ; (B) by redesignating subsection (c) as subsection (d); and (C) by inserting after subsection (b) the following new subsection: (c) Review The Administrator of the Transportation Security Administration shall review the active shooter response guidelines specified for Department of Homeland Security personnel under this section and make a recommendation to the Secretary of Homeland Security to modify such guidelines for personnel who are certified Federal law enforcement officials and for personnel who are uniformed but unarmed security officials. ; and (2) in section 7— (A) in subsection (b), in the matter preceding paragraph (1), by striking may each place it appears and inserting shall ; (B) by redesignating subsections (c) and (d) as subsections (d) and (e), respectively