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Tajikistan
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section B. Extradition
Tajikistan’s Criminal Procedure Code (2009) states:
Extradition is prohibited if:
– Tajikistan has granted political asylum to the person concerned;
– The act cited as grounds for the extradition request is not considered as a crime by Tajikistan;
– A sentence has taken effect or a case has been dismissed in relation to the commission of the same offence by the person concerned;
– There is information suggesting that the person might be subjected to torture in the State requesting extradition (Law No. 1134 of 27.11.14);
– Under Tajik legislation, charges may not be brought or the sentence may not be enforced, on the grounds of extinction or other legal considerations. 
Tajikistan, Criminal Procedure Code, 2009, Article 479.
In 2010, in its second periodic report to the Committee against Torture, Tajikistan stated:
Extradition is prohibited if:
(a) Tajikistan has granted political asylum to the person concerned;
(b) The act cited as grounds for the extradition request is not considered as a crime by Tajikistan;
(c) A sentence has taken effect or a case has been dismissed in relation to the commission of the same offence by the person concerned;
(d) Under Tajik legislation, charges may not be brought or the sentence may not be enforced, on the grounds of extinction or other legal considerations. 
Tajikistan, Second periodic report to the Committee against Torture, 16 March 2011, UN Doc. CAT/C/TJK/2, submitted 16 December 2010, § 125.