What is Authorised economic operator?

A legal entity that has obtained a special status in customs relations because it meets the requirements of legislation. Under the Customs Code, only legal entities can obtain this status. How the status is obtained, the criteria by which a company is selected for entry into the register, and which simplified procedures open up for the operator are determined by the Cabinet of Ministers. The register is kept by the State Customs Committee, which posts it on its official website and updates it "at least monthly". In essence, this is a trust-based relationship with customs: procedures are simplified for a company that consistently meets the requirements.

Source: Bojxona kodeksi, 7¹-modda