; (2) obtaining a conceptual design assessment; (3) reviewing topical reports; and (4) other pre-application and application review activities and interactions with the Commission. (e) Authorization of appropriations There are authorized to be appropriated to the Secretary to carry out this section such sums as are necessary. 105. Baffle-former bolt guidance (a) Revisions to guidance Not later than September 30, 2017, the Commission shall publish any necessary revisions to the guidance on the baseline examination schedule and subsequent examination frequency for baffle-former bolts in pressurized water reactors with down-flow configurations. (b) Report Not later than September 30, 2017, the Commission shall submit to the appropriate congressional committees— (1) a report explaining any revisions made to the guidance described in subsection (a); or (2) if no revisions were made, a report explaining why the guidance, as in effect on the date of submission of the report, is sufficient. 106. Evacuation report (a) In general Not later than 90 days after the date of enactment of this Act, the Commission shall submit to the appropriate congressional committees a report describing the actions the Commission has taken, or plans to take, to consider lessons learned since September 11, 2001, Superstorm Sandy, Fukushima, and other recent natural disasters regarding directed or spontaneous evacuations in densely populated urban and suburban areas. (b) Inclusions The report under subsection (a) shall— (1) describe the actions of the Commission— (A) to consider the results from— (i) the State-of-the-Art Reactor Consequence Analyses project; and (ii) the current examination by the Commission of emergency planning zones for small modular reactors and advanced nuclear reactors; and (B) to monitor international reviews, including reviews conducted by— (i) the United Nations Scientific Committee on the Effects of Atomic Radiation; (ii) the World Health Organization; and (iii) the Fukushima Health Management Survey