U.S. Treasury Department regulations now prohibit remittances, including family remittances, without a specific license from the Office of Foreign Assets Control. For further information, travelers may contact the Office of Foreign Assets Control. U.S. citizens and permanent resident aliens are prohibited from using credit cards in Cuba. U.S. credit card companies will not accept vouchers from Cuba, and Cuban shops, hotels and other places of business do not accept U.S. credit cards. Personal checks drawn on U.S. banks may not be accepted in Cuba.
Travelers checks are sometimes acceptable, however.
The government of Cuba considers all Cuban-born U.S. citizens to be solely Cuban citizens. Penalties for the possession, use, and dealing of illegal drugs are severe, and convicted offenders can expect lengthy jail sentences. Those accused of drug-related and other crimes can expect lengthy legal proceedings and delayed due process. The United States does not maintain an Embassy in Cuba. There is no access to the U.S. Naval Base at Guantanamo from within Cuba.