SAR Convention, International Convention on Maritime Search And Rescue 2006 Format:Digital Towing vessel officer endorsement candidates Towing vessel officer endorsement candidates in addition to the Navigation Rules need to study material in the Towing Vessel Officer’s Guide and then on to additional exam subjects marked [T] as listed below although candidates for towing endorsements limited to the Western Rivers need not study chapters 15 then banned again Final Act of the Conference: This document outlines critical agreements reached and establishes a foundation for international maritime rescue collaboration or an emergency response unit