An Act to facilitate compliance by Australia with obligations under the Rome Statute of the International Criminal Court, and for related purposes
Part 12—Enforcement in Australia of sentences imposed by ICC
Division 3- Enforcement of Sentences
175 ICC prisoner may apply to be transferred from Australia to a foreign country
An ICC prisoner serving a sentence in Australia may, at any time, apply to the ICC to be transferred from Australia to complete the service of the sentence in a foreign country.
Change in designation of State of enforcement
EDIT.