2. Subject to article 4 of this Convention, a State Party may also establish its jurisdiction over any such offence when: (a) The offence is committed against a national of that State Party; (b) The offence is committed by a national of that State Party or a stateless person who has his or her habitual residence in its territory; or (c) The offence is: (i) One of those established in accordance with article 5, paragraph 1, of this Convention and is committed outside its territory with a view to the commission of a serious crime within its territory; (ii) One of those established in accordance with article 6, paragraph 1 (b) (ii), of this Convention and is committed outside its territory with a view to the commission of an offence established in accordance with article 6, paragraph 1 (a) (i) or (ii) or (b) (i), of this Convention within its territory. 3. For the purposes of article 16, paragraph 10, of this Convention, each State Party shall adopt such measures as may be necessary to establish its jurisdiction over the offences covered by this Convention when the alleged offender is present in its territory and it does not extradite such person solely on the ground that he or she is one of its nationals. 4. Each State Party may also adopt such measures as may be necessary to establish its jurisdiction over the offences covered by this Convention when the alleged offender is present in its territory and it does not extradite him or her. 5. If a State Party exercising its jurisdiction under paragraph 1 or 2 of this article has been notified, or has otherwise learned, that one or more other States Parties are conducting an investigation, prosecution or judicial proceeding in respect of the same conduct, the competent authorities of those States Parties shall, as appropriate, consult one another with a view to coordinating their actions. 6. Without prejudice to norms of general international law, this Convention does not exclude the exercise of any criminal jurisdiction established by a State Party in accordance with its domestic law. Article 16. Extradition 1. This article shall apply to the offences covered by this Convention or in cases where an offence referred to in article 3, paragraph 1 (a) or (b), involves 16