Rome Statute
Part 4: Composition and Administration of the Court
Article
Art.
44
Staff
1.
The Prosecutor and the Registrar shall appoint such qualified staff as may be required to their respective offices. In the case of the Prosecutor, this shall include the appointment of investigators.2.
In the employment of staff, the Prosecutor and the Registrar shall ensure the highest standards of efficiency, competency and integrity, and shall have regard, mutatis mutandis, to the criteria set forth in article 36, paragraph 8.3.
The Registrar, with the agreement of the Presidency and the Prosecutor, shall propose Staff Regulations which include the terms and conditions upon which the staff of the Court shall be appointed, remunerated and dismissed. The Staff Regulations shall be approved by the Assembly of States Parties.4.
The Court may, in exceptional circumstances, employ the expertise of gratis personnel offered by States Parties, intergovernmental organizations or non-governmental organizations to assist with the work of any of the organs of the Court. The Prosecutor may accept any such offer on behalf of the Office of the Prosecutor. Such gratis personnel shall be employed in accordance with guidelines to be established by the Assembly of States Parties.
Source:
Article 44 — Staff, https://www.icc-cpi.int/Publications/Rome-Statute.pdf.