According to the Law on Foreigners' Entry, Exit, Transit and Residence in Vietnam, foreigners is able to apply to entry visas at Vietnam's international border ports. And According to the law, in the following cases, foreign citizens is able to be issued a Vietnamese visa:
a) Departure from a country where there is no Vietnamese competent authority responsible to issuing visas;
B) Before arriving in Vietnam, they have been to other countries;
c) Participate in Vietnam's international tourism organizations tourism entry into Vietnam;
d) berthed in the Vietnamese seaport ship, need to pass through other border ports out of Vietnam's foreign crew;
e) Enter Vietnam to attend a relative's funeral or visit a seriously ill relative;
f) To enter Vietnam to participate in emergency rescue, disaster and epidemic prevention and manage work or other reasons. Foreign citizens must hold a valid passport or international travel document and fill in the visa consumption form at the checkpoint. 14-year-old children and their parents or guardians share a passport, must be with their parents or guardians visa consumption form together with the declaration. And In addition, Vietnam currently from all countries and regions of the foreign nationals issued e-visa, stay up to 90 days. And Single-entry visas cost $25 and multiple-entry visas cost $50.