The Jones Act is a single sentence long, and yet somehow that reservation of U.S. domestic maritime commerce to qualified U.S.-flag vessels has spawned numerous complications with respect to offshore wind energy projects. Although not supported by prior experience, maybe 2023 will bring some clarity.U.S. Customs and Border Protection (CBP) is the primary source of guidance for how the Jones Act applies. CBP issued its first two offshore wind rulings in May 2010 and February 2011 in the heady early days of U.S. offshore wind.