; and (ii) by making available any employees for interview without undue delay or obstruction. (C) Failure to cooperate If the Secretary determines that a railroad or any of its employees, including any nonprofit employee labor organization representing mechanical employees of the railroad is not fully cooperating with an audit conducted pursuant to this subsection, the Secretary shall electronically notify the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives of such noncooperation. (f) Review of regulations Not later than 5 years after the date of the enactment of this Act, and periodically thereafter, the Secretary shall determine whether any update to chapters I and II of subtitle B of title 49, Code of Federal Regulations, is necessary to ensure the adequacy of railcar, locomotive, and train brake system inspections. (g) Annual report The Secretary shall publish an annual report on the public website of the Federal Railroad Administration that— (1) summarizes the findings of the audits conducted pursuant to subsection (d) during the most recently concluded fiscal year; (2) summarizes any updates made to chapter I or II of subtitle B of title 49, Code of Federal Regulations, pursuant to this section; and (3) excludes any confidential business information or sensitive security information. (h) Rule of construction Nothing in this section may be construed— (1) to provide the Secretary with any authority to interpret, revise, alter, or apply a collectively bargained agreement, nor any authority over collective bargaining, collectively bargained agreements, or any aspect of the Railway Labor Act ( 45 U.S.C. 151 et seq. ); (2) to alter the terms or interpretations of existing collective bargaining agreements