Part VII – Protection of National Security or Third Party Information
Information Provided by Third Party
88. Disclosure of information provided by third party.
(4) If the originator is not a State Party and refuses to consent to disclosure, the Minister shall inform the ICC that he or she is unable to provide the document or information because of an existing obligation of confidentiality to the originator.
Refusal of ICC request
Refusal of ICC request - protection of national security
EDIT.