However, they may only remain in the country for 30 days and only as a tourist. If travellers from these countries which to conduct business in Vietnam they do need to apply for a business visa. The Vietnamese authorities will expel anyone who abuses the purpose of the visa issued.
Citizens from all other countries, including the United States and the United Kingdom, must have applied for a visa before permission is given to enter the country. Applying for a visa to Vietnam is not a difficult process and there are many travel agencies who will be able to handle documentation for a fee.
