Article 50
1. When the competent authority of a Member State receives information from a third country, that authority may pass the information on to the competent authorities of Member States which might be interested in it and, in any event, to all those which request it, in so far as permitted by assistance arrangements with that particular third country.
2. Competent authorities may communicate, in accordance with their domestic provisions on the communication of personal data to third countries, information obtained in accordance with this Regulation to a third country, provided that the following conditions are met:
(a) the competent authority of the Member State from which the information originates has consented to that communication; and
(b) the third country concerned has given an undertaking to provide the cooperation required to gather evidence of the irregular nature of transactions which appear to contravene VAT legislation.