With its relevant exam questions and solutions, "Oelfke" offers you optimal preparation for your final exam as a freight forwarding merchant. This allows you to systematically review, consolidate, and deepen your knowledge. It also serves as a concise and ideal guide for experienced practitioners to refresh their skills. The revision of the 20th edition covers all chapters. In particular, the following topics have been thoroughly addressed: air freight with keywords "known/unknown cargo" and "regulated agent," customs with keywords "Automated Export System" (AES), "approved sender/recipient," and "authorized economic operator" (AEO), as well as updates on freight forwarder groupage traffic. Additionally, outdated forms have been replaced with new ones, ensuring that the work is up to date.