5 U.S. Code § 6311
5 U.S. Code § 6311 is about Regulations. It is under Subchapter I (Annual And Sick Leave) of Chapter 63 (Leave) of Subpart E (Attendance and Leave) of Part III (Employees) of Title 5 (Government Organizations and Employees) of the Code.
The Office of Personnel Management may prescribe regulations necessary for the administration of this subchapter.