An employee in a unit with respect to which an organization of Government employees has not been accorded exclusive recognition shall not be required to participate in any program under subsection (a) unless a majority of the employees in such unit who, but for this paragraph, would be included in such program have voted to be so included.
(2) Upon written request to any agency by an employee, the agency, if it determines that participation in a program under subsection (a) would impose a personal hardship on such employee, shall—
except such employee from such program; or
(B) reassign such employee to the first position within the agency—
for which such employee is qualified, and
which is acceptable to the employee.