; and (B) any issues relating to how the hiring and training procedures of the Department may change because of unplanned circumstances (including with respect to delays in developing an information technology system to process appeals under the modernized appeals system) relating to carrying out the modernized appeals system or to process appeals of decisions on legacy claims. (12) Estimated timelines for updating any policy guidance, internet websites, and official forms that may be necessary to carry out the modernized appeals system, including— (A) identification of which offices and entities will be involved in efforts relating to such updating; and (B) historical information about how long similar update efforts have taken. (13) A timeline, including interim milestones, for promulgating such regulations as may be necessary to carry out the modernized appeals system and a comparison with historical averages for time required to promulgate regulations of similar complexity and scope. (14) An outline of the circumstances under which claimants with pending appeals of decisions on legacy claims would be authorized to have their appeals reviewed under the modernized appeals system. (15) A delineation of the key goals and milestones for reducing the number of pending appeals that are not processed under the modernized appeals system, including the expected number for each of appeals, remands, and hearing requests at the Administration and the Board each year, beginning with the 1-year period beginning on the date of the enactment of this Act, until there are no longer any appeals pending before the Administration or the Board for a decision on a legacy claim. (16) The metrics and goals used by the Secretary to monitor the implementation of the modernized appeals system, including with respect to— (A) tracking progress of such implementation; (B) evaluating the efficiency and effectiveness of such implementation