22 U.S.C. § 6103: Separation of Government personnel during fellowships

Under such terms and conditions as the agency head may direct, any agency of the United States Government may separate from Government service for a specified period any officer or employee of that agency who accepts a fellowship under the program established by this chapter and is not detailed under section 6104 of this title . Any fellow who is not a detailee, at the end of the fellowship, is entitled to be reemployed in the same manner as if covered by section 3582 of title 5 . Notwithstanding section 8347( o ), 8713, or 8914 of title 5 and in accordance with regulations of the Office of Personnel Management, an employee, while serving as a fellow who is not a detailee, is entitled to the same rights and benefits as if covered by section 3582 of title 5 . The Center shall reimburse the employing agency for any costs incurred under section 3582 of title 5 . Funds are available under this section to the extent and in the amounts provided in appropriation Acts.