As in the United States, first names are freely used after the initial meeting. Dress is basically American in style. Standard office wear for men is shirt and tie, or business suit.
Women generally wear dresses, skirts or pant suits.
U.S. citizens must have a passport to enter Trinidad and Tobago. Visas are not required for tourist or business stays of up to three months. Work permits are required for certain types of compensated and non-compensated employment, including missionary work. The immigration regulations of Trinidad and Tobago allow persons entering the country to engage in gainful employment in any trade, profession or occupation without a work permit for a period not exceeding 30 days, with one entry per twelve months period permitted. For further information, travelers may contact the Embassy of Trinidad and Tobago at 1708 Massachusetts Avenue N.W. Washington, DC 20036.