22 U.S.C. § 4011
Termination of limited appointments
Except as provided in section 4010(a)(2) of this title , the Secretary may terminate at any time the appointment of any member of the Service serving under a limited appointment who is in the Senior Foreign Service, who is assigned to a salary class in the Foreign Service Schedule or who is paid in accordance with section 3967 of this title or is a United States citizen paid under a compensation plan under section 3968 of this title .
( Pub. L. 96–465, title I, § 612 , formerly § 611, Oct. 17, 1980 , 94 Stat. 2099 ; renumbered § 612 and amended Pub. L. 103–236, title I , §§ 180(a)(7), 181(a)(1), Apr. 30, 1994 , 108 Stat. 416 .)