II. Specific provisions
D. Custody pending surrender, surrender and transit
Article 29
Transfer to the International Criminal Court or International Tribunal
(1) Once the order for surrender to the International Criminal Court or International Tribunal is enforceable, the judge of the princely court shall instruct the national police to promptly transfer the person to be surrendered to the International Criminal Court or International Tribunal. Unless there are serious security concerns or the Court or Tribunal seeks another form of delivery, the person to be surrendered shall be conveyed by air under the escort of Liechtenstein officials.
Protection of national security
EDIT.