22 U.S.C. § 4114
(a) Grievance procedure Any dispute between the Department and the exclusive representative concerning the effect, interpretation, or a claim of breach of a collective bargaining agreement shall be resolved through procedures negotiated by the Department and the exclusive representative. Any procedures negotiated under this section shall—
(b) Review by Foreign Service Labor Relations Board Either party to an appeal under subsection (a)(3) may file with the Board an exception to the action of the Foreign Service Grievance Board in resolving the implementation dispute. If, upon review, the Board finds that the action is deficient—
the Board may take such action and make such recommendations concerning the Foreign Service Grievance Board action as it considers necessary, consistent with applicable laws, rules, and regulations.