5 U.S. Code § 3316
5 U.S. Code § 3316 is about Preference eligibles; reinstatement. It is under Part 3 (Employees) Subpart B (Employment and Retention) Subchapter 1 (Examination, Certification, And Appointment) Chapter 33 (Examination, Selection, And Placement) of Title 5 (Government Organizations and Employees) of the Code.
On request of an appointing authority, a preference eligible who has resigned or who has been dismissed or furloughed may be certified for, and appointed to, a position for which he is eligible in the competitive service, an Executive agency, or the government of the District of Columbia.