((a)) ** Rulemaking** The Commission shall—
((1)) not later than 90 days after the date of enactment of this section, initiate a rulemaking proceeding, including notice and opportunity for public comment, to be completed not later than 18 months after that date, to revise the design basis threats of the Commission; or
((2)) not later than 18 months after the date of enactment of this section, complete any ongoing rulemaking to revise the design basis threats.
((b)) ** Factors** When conducting its rulemaking, the Commission shall consider the following, but not be limited to—
((1)) the events of ;
((2)) an assessment of physical, cyber, biochemical, and other terrorist threats;
((3)) the potential for attack on facilities by multiple coordinated teams of a large number of individuals;
((4)) the potential for assistance in an attack from several persons employed at the facility;
((5)) the potential for suicide attacks;
((6)) the potential for water-based and air-based threats;
((7)) the potential use of explosive devices of considerable size and other modern weaponry;
((8)) the potential for attacks by persons with a sophisticated knowledge of facility operations;
((9)) the potential for fires, especially fires of long duration;
((10)) the potential for attacks on spent fuel shipments by multiple coordinated teams of a large number of individuals;
((11)) the adequacy of planning to protect the public health and safety at and around nuclear facilities, as appropriate, in the event of a terrorist attack against a nuclear facility; and
((12)) the potential for theft and diversion of nuclear materials from such facilities.