(1) A witness, on whom a summons to appear issued by the International Criminal Court has been served in Finland, for the purpose of hearing before the Court, shall be under an obligation to comply with the summons.
(2) The Finnish authorities must take the necessary measures in order to facilitate the possibility of the witness to comply with the summons.
1. States Parties shall, in accordance with the provisions of this Part and under procedures of national law, comply with requests by the Court to provide the following assistance in relation to investigations or prosecutions:
(e) Facilitating the voluntary appearance of persons as witnesses or experts before the Court;