Spain declares that it will grant extradition of its nationals provided that the act concerned also constitutes an offence in Spain and that the requesting State guarantees that such persons will, if sentenced, be transferred forthwith to Spain to serve their sentences.

Spain designates the Technical General Secretariat of the Ministry of Justice as the central authority.

Spain declares that, in its relations with the States which have made the same declaration, requests for supplementary information may be made directly to the judicial body which requested extradition.

Spain declares that, as far as it is concerned, this Convention shall, once the notification referred to in Article 18(2) has been made, apply to its relations with the Member States which have made the same declaration 90 days after the date of deposit of said declaration.