Minor nitpick: they are not technically in violation of the act unless they actually onload cargo in PR, i.e. they could just offload at PR and continue on to m

Minor nitpick: they are not technically in violation of the act unless they actually onload cargo in PR, i.e. they could just offload at PR and continue on to mainland. The end result is the same though as merely offloading is not efficient so the ships always go to the mainland instead.