Part 2
Specific provisions
Section 5
35. Reports about enforcement
At least once a year, and on completion of the sentence, the prison at which the convicted person is serving the sentence of imprisonment passed by the International Criminal Court shall submit a conduct and health report to the Federal Ministry of Justice. The Federal Ministry of Justice is to be notified at once if the convicted person escapes before the expiry of the sentence or if enforcement is no longer possible for other reasons. The International Criminal Court shall promptly be acquainted with such reports.
Supervision of enforcement of sentences and conditions of imprisonment
Escape - ICC proceedings
EDIT.