Extending or renewing a visa tourist, business, working or investment visa in Vietnam depends on your current visa type, nationality, the time of the year and purpose, the visa extension or renewal allows you to stay more in Vietnam without leaving the country. The required documents basing on your current visa type is totally different, a tourist or visa exemption, you must submit: original passport, current visa, and immigration stamp, last date of entry, port of entry and details of your current address in Vietnam. While the business, working or investment visa, it requires more documents from a legal company registered in Vietnam like: the notarized true copy of business registration certificate, some signed and sealed forms, original passport and proof of residential registration certificate in Vietnam. The visa extension or renewal should submit through the Immigration Department in any of the three major cities in Hanoi, Da Nang or Ho Chi Minh, from 5 to 7 days before the visa expiration date, and it takes 7 working days for processin