Chapter 8
PRE-TRIAL PROCEDURE
Division 5
Appeal against Activities of Investigative Body or Prosecutor’s Office
§ 228. Appeal against activities of investigative body or Prosecutor’s Office
(1) Before a statement of charges is prepared, a participant in a proceeding or a person not subject to the proceedings has the right to file an appeal with the Prosecutor's Office against a procedural act or order of the investigative body if he or she finds that violation of the procedural requirements in the performance of the procedural act or preparation of the order has resulted in the violation of his or her rights.
Appeal relating to a decision involving an issue that would significantly affect the fair and expeditious conduct of the proceedings or the outcome of the trial - ICC proceedings
Appeal relating to a decision involving an issue that would significantly affect the fair and expeditious conduct of the proceedings or the outcome of the trial - national proceedings
EDIT.