38 guaranteed fair treatment at all stages of the proceedings, including enjoyment of all the rights and guarantees provided for by the domestic law of the State Party in the territory of which that person is present. 13. 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 extradition request has been made for the purpose of prosecuting or punishing a person on account of that person’s sex, race, religion, nationality or ethnic origin or that compliance with the request would cause prejudice to that person’s position for any one of these reasons. 14. Before refusing extradition, the requested State Party shall, where appropriate, consult with the requesting State Party to provide it with ample opportunities to present its opinions and to provide information relevant to the facts set forth in its request. 15. The States Parties shall seek to conclude bilateral and multilateral agreements or arrangements to carry out or to enhance the effectiveness of extradition. Article 49. Transfer of sentenced persons 1. The States Parties may consider entering into bilateral or multilateral agreements or arrangements on the transfer to their territory of persons sentenced to imprisonment or other forms of deprivation of liberty for offences established in accordance with this Convention in order that they may complete their sentences there. Article 50. Expedited preservation of electronic information. 1. A State Party may request another State Party to order or otherwise obtain the expeditious preservation of information stored or processed with the use of ICT in the territory of that State Party and in respect of which the requesting Party intends to send a request for the search, seizure or other preservation of that information within the framework of mutual legal assistance.