Cuba welcomed the steps, part of President Barack Obama's effort to make his historic opening to Cuba "irreversible" by the time he leaves office in January, but said they did not go far enough.
The latest in a series of new rules since the former Cold War foes began normalizing relations in 2014 will allow Cubans to buy certain US consumer goods online, open the door for Cuban pharmaceutical companies to do business in the United States and let Cubans and Americans do joint medical research.