; and (B) gather feedback about the effectiveness of such mechanism from veterans, medical support assistants, staff and other stakeholders as the Secretary determines appropriate. (2) Limitation The Secretary may not implement such mechanism across the Veterans Health Administration of the Department before the Secretary addresses the feedback described in paragraph (1)(B). 146. Staffing model and performance metrics for certain employees of the Department of Veterans Affairs (a) Staffing model (1) In general Not later than one year after the date of the enactment of this Act, the Secretary of Veterans Affairs shall— (A) develop, validate, and implement a staffing model for the Office of Integrated Veteran Care of the Department of Veterans Affairs, or successor office, Veterans Integrated Services Networks, and medical centers of the Department that includes appropriate target staffing levels nationally, regionally, and locally to ensure timely access to care and effectively oversee the provision of care by the Department, whether at a facility of the Department or through a non-Department provider; and (B) provide to Congress a briefing on such staffing model, which shall include— (i) the metrics and measures used by the Secretary in developing such staffing model; (ii) an analysis of how such staffing model compares to the staffing models of other relevant Government-owned and private sector health care systems; and (iii) an estimate of the portion of the roles in such staffing model that will be filled by contracted staff at any given time. (2) Report on implementation of staffing model Not later than one year after the date on which the Secretary implements the staffing model required under paragraph (1), the Secretary shall submit to Congress and the Comptroller General of the United States a report containing— (A) an update on such implementation