(a) Separation 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 . (b) Reemployment 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 . (c) Rights and benefits 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 . (d) Compliance with Budget Act Funds are available under this section to the extent and in the amounts provided in appropriation Acts. ( Pub. L. 103–236, title II, § 254 , Apr. 30, 1994 , 108 Stat. 430 .)