Artikel 3

1. The customs administrations shall provide each other, either on request or on their own initiative, with information which helps to ensure the proper application of customs law, the prevention, investigation and combating of customs offences and the security of the international trade supply chain. Such information may relate to:
a) new law enforcement techniques which have proved their effectiveness;
b) new trends, means or methods of committing customs offences;
c) goods known to be the subject of customs offences, as well as transport and storage methods used in respect of those goods;
d) persons known to have committed a customs offence or suspected of being about to commit a customs offence;
e) any other data that can assist customs administrations with risk assessment for control and facilitation purposes.
2. On request, the requested administration shall provide the requesting administration with information relative to instances where the latter has reason to doubt the information supplied to it by the person concerned in a matter related to the application of customs law.