The AEO concept is one of the main building blocks within the WCO SAFE Framework of Standards (SAFE). The latter is part of the future international Customs model set out to support secure trade. SAFE sets out a range of standards to guide international Customs Administrations towards a harmonised approach based on Customs to Customs cooperation and Customs to Business partnership.
The essence of the AEO-concept can be found in the Customs-to-Business partnerships. Operators can be accredited by Customs as AEOs when they prove to have high quality internal processes that will prevent goods in international transport to be tampered with. I.e.: