; and (4) monitoring the implementation of the new appeals system, including metrics and goals— (A) to track the progress of the implementation; (B) to evaluate the efficiency and effectiveness of the implementation; and (C) to identify potential issues relating to the implementation. (b) Elements The plan required by subsection (a) shall include, at a minimum, the following: (1) Delineation of the total resource requirements of the Veterans Benefits Administration and the Board of Veterans’ Appeals, disaggregated by resources required to implement and administer the new appeals system and resources required to address the appeals of decisions on legacy claims. (2) Delineation of the personnel requirements of the Administration and the Board, including staffing levels during the— (A) period in which the Administration and the Board are concurrently processing— (i) appeals of decisions on legacy claims; and (ii) appeals of decisions on non-legacy claims under the new appeals system; and (B) the period during which the Administration and the Board are no longer processing any appeals of decisions on legacy claims. (3) Identification of the legal authorities under which the Administration or the Board may— (A) hire additional employees to conduct the concurrent processing described in paragraph (2)(A)