What are the most recent requirement for US residents for a visit to puerto rico?

Question

My son is vice president of high school student govt and we are redising in US on a H4 visa. This is good enough till July 20th 2009.

Answer 1

If the visa is valid he can use it to travel to PR the same way it would be used to travel to NY or California.

Answer 2

H4 is the dependant of an H1B a work visa .....You can use to go to Puerto rico...if  You're on a Work related  visit...