CHAPTER TWO
EXTRADITION
Division Two
Section 502
Preliminary investigation
(1) Preliminary investigation shall be conducted by the prosecutor of a regional prosecution office, to whom the ministry of justice forwarded the request by a foreign authority for extradition abroad, or in whose district the person to be extradited to the requesting State was arrested or lives. If the preliminary investigation was opened before delivery of the request for extradition the prosecutor informs about it immediately the ministry of justice.
EDIT.