2- 3- Every State Party shall commit itself to adopting the procedures necessary to extend the competence covering the offences set forth in Article 31, paragraph 1, of this Convention in the cases in which the alleged offender is present in the territory of that State Party and shall not extradite him to another Party according to his nationality following the extradition request. If more than one State Party claim to have jurisdiction over an offence set forth in this Convention, priority shall be accorded to the request of the State whose security or interests were disrupted by the offence, followed by the State in whose territory the offence was committed, and then by the State of which the wanted person is a national. In case of similar circumstances, priority shall be accorded to the first State that requests the extradition. Article 31: Extradition 1- a- This Article applies to the exchange of offenders between State Parties for offences set forth in Chapter II of this Convention, provided that such offences shall be punishable under the laws of the concerned State Parties by deprivation of freedom for a minimum period of one year or a more severe penalty. b- If a different, less severe, penalty is applicable by virtue of an agreed arrangement or by virtue of the extradition treaty, then the less severe penalty shall apply. 2- Offences set forth in paragraph 1 of this article shall be deemed offences whose perpetrators are extraditable under any extradition treaty between State Parties. 3- If a State Party makes extradition conditional on the existence of a treaty, and it receives an extradition request from a State Party that has no extradition treaty, this Convention may be considered as a legal basis for extradition as regards offences set forth in paragraph 1 of this Article. 4- State Parties that do not require the existence of an extradition treaty shall consider that the offences set forth in paragraph 1 of 15