; (2) the Government Accountability Office; and (3) the United States Capitol Police. (b) Labor-Management partnerships The head of each covered legislative branch agency shall take the following actions: (1) Create labor-management partnerships by establishing labor-management committees or councils at appropriate levels or, if applicable, adapting existing committees or councils. (2) Involve employees and employee representatives as full partners with management representatives to improve the civil service to better serve the public and carry out the mission of the covered legislative branch agency. (3) Provide systemic training of appropriate employees of the covered legislative branch agency (including line managers, first-line supervisors, and labor organization representatives) in consensual methods of dispute resolution, such as alternative dispute resolution techniques and interest-based bargaining approaches. (4) (A) Allow employees and employee representatives to have pre-decisional involvement in all workplace matters to the fullest extent practicable, without regard to whether those matters are negotiable subjects of bargaining with respect to the covered legislative branch agency. (B) Provide adequate information on the matters described in subparagraph (A) expeditiously to employee representatives where not prohibited by law. (C) Make a good-faith attempt to resolve issues concerning proposed changes in conditions of employment, including changes involving the subjects described in section 7106(b)(1) of title 5, United States Code, through discussions in the labor-management committees or councils established or adapted by the covered legislative branch agency under paragraph (1) of this subsection. (5) Evaluate progress and improvements in organizational performance resulting from the labor-management partnerships described in paragraph (1).