; and (2) establish processes to document and track the progress of populations under the program in terms of the benefits and improvements noted as a result of the program. (g) GAO briefing and study (1) Briefing Not later than 1 year after the date of the commencement of the pilot program under subsection (a), the Comptroller General of the United States shall provide to the Committee on Energy and Commerce of the House of Representatives and to the Committee on Health, Education, Labor, and Pensions of the Senate a briefing on the methodology established for the program. (2) Report Not later than 270 days after the date on which the program terminates, the Comptroller General shall submit to the committees specified in paragraph (1) a report on the program. Such report shall include an evaluation of the approach and methodology used for the program with respect to— (A) helping vulnerable populations overcome emotional or cognitive challenges; and (B) relevant metrics, including those developed by the Secretary under paragraph (1) of subsection (f).