S. 4540 aims to allow passenger vessels that were not built in the United States to receive coastwise endorsements, which enable them to transport passengers between U.S. ports, including those accessed via foreign ports. This bill modifies section 12112(a)(2)(B) of the...
Simple Explanation
S. 4540 is like a special permission slip letting ships not made in the US carry people from one US port to another, even if they make stops in other countries. These ships still have to follow all other rules unless the new rule says they don't.