CHAPTER 2. SURRENDER OF PERSONS TO THE ICC
ยง 2. Provisional arrest
Section 16
5. The investigating judge may, on his own initiative or on the application of the public prosecutor or at the request of the person claimed or his counsel, terminate the order for remand in custody if no request for surrender, together with the relevant documents, has been received from the ICC within sixty days of the date of the provisional arrest.
Provisional arrest - release - national proceedings
EDIT.