Each year, Vivansa publishes an updated version of its popular A1 poster, which outlines the key elements to be considered when complying with EU customs legislation. Among the innovations in this new version is worth mentioning the relationship that is established between the key building blocks (or “titles”) of the Union Customs Code (UCC) and the 4 domains (commercial, financial, logistics, and regulatory) defined by the Modal Transport Reference Data Model published by the UN/CEFACT (SHIP/MNT-RDM – P1024).