Internal Transaction Number Law and Legal Definition
Internal Transaction Number (ITN) is “the Automated Export System (AES) generated number assigned to a shipment confirming that an electronic export information transaction was accepted and is on file in the AES.” [15 CFR 30.1; Title 15 -- Commerce And Foreign Trade; Subtitle B -- Regulations Relating To Commerce And Foreign Trade; Chapter I -- Bureau Of The Census, Department Of Commerce; Part 30 -- Foreign Trade Regulations; Subpart A -- General Requirements]