Visitors in general should always confirm with travel agents or the Dominican Consulate of the necessary travel documentation. The time in the Dominican Republic is in the same time zone as the eastern US seaboard, but daylight Savings Time is in effect all year-round. So places like Toronto or New York are one hour behind in the fall. Language Spanish is the official language of the island. English is widely spoken in tourist's areas as well as German, Italian, and French.
All foreign currency is accepted for exchange in the Dominican Republic.
There are also instant tellers available in some areas but be aware that they do not work on all bankcards. The exchange rate is set by the Central Bank, based on the market condition. Receipts are given with every exchange transaction. These receipts are necessary to exchange R.D. back to your own currency. Credit Card cash advances do not apply.