The York-Antwerp Rules (YAR) 2004 update caused a stir in maritime circles. Intended to modernize practices around general average, a process where all parties share the cost of sacrifices made for the common good during a sea voyage, the revisions sparked controversy. Stakeholders criticized the 2004 YAR for complexity, a departure from familiar terminology, and ambiguities that created confusion. The backlash was swift, with many organizations rejecting the update and clinging to pre-2004 versions. The YAR 2004 dispute highlights the importance of clear communication and user feedback when revising established frameworks.