(Escort of the fugitive by the authorities of the requesting country)
Article 21
Upon receipt of the surrendered fugitive as provided for in paragraph (1) of Article 20, the authorities of the requesting country shall promptly escort the fugitive to the requesting country.
(a) A State Party shall authorize, in accordance with its national procedural law, transportation through its territory of a person being surrendered to the Court by another State, except where transit through that State would impede or delay the surrender.