1. Each Member State shall take the necessary measures to establish its jurisdiction over the criminal offences referred to in Articles 3, 4 and 5 where:

(a) the criminal offence is committed in whole or in part within its territory; or

(b) the offender is one of its nationals.

2. Each Member State shall take the necessary measures to establish its jurisdiction over the criminal offences referred to in Articles 3, 4 and 5 where the offender is subject to the Staff Regulations at the time of the criminal offence. Each Member State may refrain from applying the rules on jurisdiction established in this paragraph or may apply them only in specific cases or only where specific conditions are fulfilled and shall inform the Commission thereof.

3. A Member State shall inform the Commission where it decides to extend its jurisdiction to criminal offences referred to in Article 3, 4 or 5 which have been committed outside its territory in any of the following situations:

(a) the offender is a habitual resident in its territory;

(b) the criminal offence is committed for the benefit of a legal person established in its territory; or