An Act to facilitate compliance by Australia with obligations under the Rome Statute of the International Criminal Court, and for related purposes
Part 3 Requests by the ICC for arrest and surrender of persons
Division 3—Arrest of persons
23 Remand
(1) If a person is arrested under a warrant issued under section 20 or 21, the person executing the warrant must, as soon as practicable after the arrest:
bring the person under arrest before a magistrate in the State or Territory in which the arrest took place.
Rights during investigation - arbitrary arrest or detention and deprivation of liberty
EDIT.