Positions— A position described in this subsection is any position in the civil service (as that term is defined in section 2101 of title 5, United States Code) in the executive branch of the Federal Government that is designated as not excepted from furlough with respect to any lapse in appropriations occurring before, on, or after the date of enactment of this Act.
Unoccupied and nonessential— Positions under subsection (b) that are unoccupied on the date of the enactment of this Act shall be abolished on such date.
Occupied and nonessential— Positions under subsection (b) that are occupied on the date of the enactment of this Act shall be abolished on the first day after such date when such position becomes vacant (including a vacancy resulting from retirement, voluntary separation, or disciplinary action).
may be designated as excepted from furlough that was not designated as excepted from furlough during a lapse in appropriations occurring before such date; and