1. Each Member State shall, when one of its nationals is alleged to have committed in another Member State a criminal offence involving the conduct described in Articles 1 and 2 (1), and it does not extradite that person to that other Member State solely on the ground of his or her nationality, submit the case to its competent authorities for the purpose of prosecution if appropriate.
2. The exceptions which may be the subject of a declaration under paragraph 2 shall not apply if the Member State concerned in respect of the same facts requested the other Member State to bring the prosecution or granted extradition of the person concerned.
