; (B) methods to reduce the consequences of a terrorist attack; (C) security at drinking water facilities and wastewater treatment works; (D) the treatment of protected information; and (E) any other matters the Secretary determines necessary. (3) Sense of Congress regarding CFATS It is the sense of Congress that— (A) the Secretary of Homeland Security was granted statutory authority under section 550 of the Department of Homeland Security Appropriations Act, 2007 ( 6 U.S.C. 121 note) to regulate security practices at chemical facilities until October 1, 2009; and (B) under section 550 of the Department of Homeland Security Appropriations Act, 2007 ( 6 U.S.C. 121 note), the Secretary prescribed regulations known as the Chemical Facility Anti-Terrorism Standards (referred to in this section as CFATS regulations ). (4) Interim use and amendment of CFATS Until the final rules issued under paragraph (1) take effect, in carrying out title XXI of the Homeland Security Act of 2002, as added by subsection (a), the Secretary may, to the extent the Secretary determines appropriate— (A) continue to carry out the CFATS regulations, as in effect on the day before the date of enactment of this Act; (B) amend the CFATS regulations as may be necessary to ensure that the CFATS regulations are consistent with this Act and the amendments made by this Act