All passengers entering / leaving Dominican Republic must complete the free electronic entry and exit form: https://eticket.migracion.gob.do
Visas are not required for visits shorter than 30 days (Only required for Venezuelan citizens with no US Visa). Please check just in case. All visitors to the Dominican Republic are charged a $10 tourist card fee that is incorporated into airline charges, however, some are not and must be paid at the airport. Proof of vaccination against yellow fever is required for travelers entering the Dominican Republic from Brazil. Similar requirements may apply to those traveling from other countries with yellow fever risk.