[javert]

A non-US ship can go to PR and then another US port. From the article:

"The concrete results are that a foreign ship can enter a U.S. port to drop off its foreign cargo, it can even from there sail to different U.S. ports to drop off other foreign goods, but it is not allowed to pick up any domestic goods in a U.S. port and bring those goods to another U.S. destination if it doesn’t meet the four conditions listed above."

[hellojesus]

Thanks for the clarification. I was running off of memory from a Peter Schiff podcast where he talked about the Jones Act.

That is still an issue though. Those ships need to try and maximize on board cargo at every port. They have wasted dollars if they don't. There is zero reason for this law to exist except to prohibit free trade and stomp out domestic competition.