This is a business visa (B-1-Visa). It is a single-entry visa and may be issued for up to six (6) months at each application. The visa may be also be issued as a ten-year, multiple-entry authorization. Applications must be filed with the nearest US consulate. The visa costs about US$ 100. The application for this type of visa can be processed by the consulate in just a matter of days. You may also apply for it by mail or through a travel agency. Foreigners who have only lived in their current countries of residence for a short period of time are generally denied this type of visa.