; (2) any transactions ordinarily incident to travel or maintenance within Cuba, including the payment of living expenses and the acquisition of goods or services for personal use; (3) any transactions ordinarily incident to the arrangement, promotion, or facilitation of travel to, from, or within Cuba; (4) any transactions incident to nonscheduled air, sea, or land voyages, except that this paragraph does not authorize the carriage of articles into Cuba or the United States except accompanied baggage