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
171 No appeal or review of sentence of imprisonment imposed by ICC or of sentence enforcement decisions of Attorney-General
On transfer of an ICC prisoner to Australia under this Part, no appeal or review lies in Australia against the sentence of imprisonment imposed by the ICC.
No appeal or review lies against a decision of the Attorney-General about the enforcement in Australia under this Part of a sentence of imprisonment imposed by the ICC.
Non-modification of sentence by State
EDIT.