CHAPTER IV: OTHER FORMS OF COOPERATION
SECTION I: CONDITIONS

Art. 30 Forms of cooperation

Cooperation according to this chapter may include any procedural acts not prohibited by Swiss law that facilitate the investigation and prosecution of crimes within the jurisdiction of the Court or that serve to produce the proceeds of such crimes, in particular:
c. the questioning of any person being investigated or prosecuted

CHAPTER IV: OTHER FORMS OF COOPERATION
SECTION II: SPECIFIC FORMS OF COOPERATION

Art. 35 Questioning of a suspect

1 Where there are grounds to believe that a person has committed a crime within the jurisdiction of the Court, the person shall also have the following rights in addition to those provided in article 34:
a. to be informed, prior to being questioned, that there are grounds to believe that he or she has committed a crime within the jurisdiction of the Court;
b. to remain silent, without such silence being a consideration in the determination of guilt or innocence;
c. to be defended by counsel of the person’s choosing or, if the person does not have counsel, to have the Central Authority assign counsel or, if applicable, a public defender;
d. to be questioned in the presence of counsel, unless the person has voluntarily waived the right to counsel.

2 The person shall be informed, prior to being questioned, of the rights provided in paragraph 1.