5 U.S. Code § 3591
5.U.S. Code § 3591 is about Definitions. It is under Part 3 (Employees) Subpart B (Employment and Retention) Subchapter 5 (Removal, Reinstatement, And Guaranteed Placement In The Senior Executive Service) Chapter 35 (Part-time Career Employment Opportunities) of Title 5 (Government Organizations and Employees) of the Code.
For the purpose of this subchapter, “agency”, “Senior Executive Service position”, “senior executive”, “career appointee”, “limited term appointee”, “limited emergency appointee”, “noncareer appointee”, and “general position” have the meanings set forth in section 3132(a) of this title.