22 U.S.C. § 3660

An employee may request at any time that the employee’s agency— (1) review the classification of the employee’s position or the grade or pay level for the employee’s position, or both; and (2) revise or adjust that classification, grade or pay level, or both, as the case may be. The request for review and revision or adjustment shall be submitted and adjudicated in accordance with the regularly established appeals procedures of the agency.