; (B) metrics that can be used to assess progress and assign responsibility for tracking progress, including the mechanism that will be used to keep senior leadership informed about progress made or challenges encountered; (C) key outcomes and goals that demonstrate progress in addressing the concerns; and (D) timeframes with overall and interim milestones. (c) Supplement and not supplant current report requirements The requirements of this section shall supplement and not supplant the requirements of section 720 of title 31, United States Code. 4. Appropriate committees of Congress defined In this Act, the term appropriate committees of Congress means the Committee on Veterans' Affairs of the Senate and the Committee on Veterans' Affairs of the House of Representatives.