5 U.S. Code § 6125
5 U.S. Code § 6125 is about Flexible schedules; time-recording devices. It is under Subchapter II (Flexible And Compressed Work Schedules) of Chapter 61 (Hours Of Work) of Subpart E (Attendance and Leave) of Part III (Employees) of Title 5 (Government Organizations and Employees) of the Code.
Notwithstanding section 6106 of this title, the Office of Personnel Management or any agency may use recording clocks as part of programs under section 6122 of this title.