Travelers need a QR Code to enter Dominican Republic, which is generated through the government's e-Ticket platform. This system makes entering the Dominican Republic easier by combining customs, immigration, and health forms into one QR Code. Travelers show this code at the security check-ins when they arrive.
Ticket. It is no longer required to fill it out 72 hours prior to the trip. It can be filled out as soon as you have your flight information, even months in advance. However, it must be filled out before arriving at the airline counter at the airport, as it is required to present it to the airline.
Passports and visa: U.S. citizens must have a valid U.S. passport to enter Dominica. No visa is required for stays less than 6 months if you have an onward or return ticket, confirmation of accommodation, and can produce evidence of your ability to maintain yourself.