A/AC.291/L.15 United Nations whether they will take this Convention as the legal basis for cooperation in extradition with other States Parties to this Convention; and (b) If they do not take this Convention as the legal basis for cooperation in extradition, seek, where appropriate, to conclude treaties on extradition with other States Parties to this Convention in order to implement this article. 7. States Parties that do not make extradition conditional on the existence of a treaty shall recognize offences to which this article applies as extraditable offences between themselves. 8. Extradition shall be subject to the conditions provided for by the domestic law of the requested State Party or by applicable extradition treaties, including, inter alia, conditions in relation to the minimum penalty requirement for extradition and the grounds upon which the requested State Party may refuse extradition. 9. States Parties shall, subject to their domestic law, endeavour to expedite extradition procedures and to simplify evidentiary requirements relating thereto in respect of any offence to which this article applies. 10. Subject to the provisions of its domestic law and its extradition treaties, the requested State Party may, upon being satisfied that the circumstances so warrant and are urgent, and at the request of the requesting State Party, including when the reque st is transmitted through existing channels of the International Criminal Police Organization, take a person whose extradition is sought and who is present in its territory into custody or take other appropriate measures to ensure the person’s presence at extradition proceedings. 11. A State Party in whose territory an alleged offender is found, if it does not extradite such person in respect of an offence to which this article applies solely on the ground that the person is one of its nationals, shall, at the request of the State Party seeking extradition, be obliged to submit the case without undue delay to its competent authorities for the purpose of prosecution. Those authorities shall take their decisions and conduct their proceedings in the same manner as in the case of any ot her offence of a comparable nature under the domestic law of that State Party. The States Parties concerned shall cooperate with each other, in particular on procedural and evidentiary aspects, to ensure the efficiency of such prosecution. 12. Whenever a State Party is permitted under its domestic law to extradite or otherwise surrender one of its nationals only upon the condition that the person will be returned to that State Party to serve the sentence imposed as a result of the trial or proceedings for which the extradition or surrender of the person was sought and that State Party and the State Party seeking the extradition of the person agree with this option and other terms that they may deem appropriate, such conditional extradition or surrender shall be sufficient to discharge the obligation set forth in paragraph 11 of this article. 13. If extradition, sought for purposes of enforcing a sentence, is refused because the person sought is a national of the requested State Party, the requested State Party shall, if its domestic law so permits and in conformity with the requirements of su ch law, upon application of the requesting State Party, consider the enforcement of the sentence imposed under the domestic law of the requesting State Party or the remainder thereof. 14. Any person regarding whom proceedings are being carried out in connection with any of the offences to which this article applies shall be guaranteed fair treatment at all stages of the proceedings, including enjoyment of all the rights and guarantees provided by the domestic law of the State Party in the territory of which that person is present. 15. Nothing in this Convention shall be interpreted as imposing an obligation to extradite if the requested State Party has substantial grounds for believing that the request has been made for the purpose of prosecuting or punishing a person on account of that person’s sex, race, language, religion, nationality, ethnic origin or political V.24-14137 19/41