Here is the list of 12 categories

The new arrangement will facilitate visits for travelers that fall under one of 12 categories: Visiting family; Humanitarian projects or to provide support to the Cuban people; Official business of the U.S. government, foreign governments and certain intergovernmental organizations; journalistic activities; professional research; educational activities by persons at academic institutions; people-to-people travel; religious activities; public performance, clinics, workshops, athletic or other competitions and exhibitions; authorization to provide travel services, carrier services and remittance-forwarding services; activities of private foundations, research or educational institutes; and exportation of certain Internet-based services.

http://bbs.wenxuecity.com/travel/497808.html