If the verification or investigation is carried out on the territory of one Member State by a competent authority of the same Member State, the competent authority of the Member State which has requested cooperation may request that its own officials accompany the officials carrying out the verification or investigation. The verification or investigation shall, however, be subject to the overall control of the Member State on whose territory it is conducted.
If the verification or investigation is carried out on the territory of one Member State by a competent authority of another Member State, the competent authority of the Member State on whose territory the verification or investigation is carried out may request that its own officials accompany the officials carrying out the verification or investigation.