Artikel 3

1. Each State Party shall take such measures as may be necessary to establish its jurisdiction over the offences set forth in articles 2, 2bis and 2ter when the offence is committed:
a) against or on board a fixed platform while it is located on the continental shelf of that State; or
b) by a national of that State.
2. A State Party may also establish its jurisdiction over any such offence when:
(a) it is committed by a stateless person whose habitual residence is in that State;
(b) during its commission a national of that State is seized, threatened, injured or killed; or
(c) it is committed in an attempt to compel that State to do or abstain from doing any act.
3. Any State Party which has established jurisdiction mentioned in paragraph 2 shall notify the Secretary-General. If such State Party subsequently rescinds that jurisdiction, it shall notify the Secretary-General.
4. Each State Party shall take such measures as may be necessary to establish its jurisdiction over the offences set forth in articles 2, 2bis and 2ter in cases where the alleged offender is present in its territory and it does not extradite the alleged offender to any of the States Parties which have established their jurisdiction in accordance with paragraphs 1 and 2.
5. This Protocol does not exclude any criminal jurisdiction exercised in accordance with national law.