5 U.S.C. § 5759: Retention and relocation bonuses for the Federal Bureau of Investigation

the unusually high or unique qualifications of the employee or a special need of the Bureau for the employee’s services makes it essential to retain the employee; and the Federal service; or for a different position in the Federal service; or the individual is subject to a mobility agreement and is transferred to a position in a different geographical area in which there is a shortage of critical skills (as determined by the Director of the Federal Bureau of Investigation). the period of service the individual shall be required to complete in return for the bonus; and the conditions under which the agreement may be terminated before the agreed-upon service period has been completed, and the effect of the termination, including requirements for a bonus recipient’s repayment of a bonus in circumstances determined by the Director of the Federal Bureau of Investigation. A bonus paid under this section may not exceed 50 percent of the employee’s annual rate of basic pay. The bonus may be paid in a lump sum or installments linked to completion of periods of service. A bonus paid under this section is not part of the basic pay of an employee for any purpose.