Vietnam business visa is a short-term visa to Vietnam, issued to foreigners who will be working with/for a company in Vietnam, attending a meeting/negotiation, or signing contracts, and do not have a valid working visa or temporary residence card.
Vietnamese business visa is categorized as DN1 and DN2 visa (formally DN, of which:
DN1 visa – to be granted to foreigners who work with other businesses and organizations with legal status in accordance with the laws of Vietnam.
DN2 visa – to be granted to foreigners who come to Vietnam to offer services, establish a commercial presence or perform other activities under international treaties to which Vietnam is a member.
While people with Vietnam tourist visas are not permitted to work in Vietnam, those with a business visa are allowed to take a leisure trip during their business in Vietnam.
Before Covid, a Vietnamese business visa is available in:
1-month single/multiple entry
3-month single/multiple entry, and
1-year multiple entry (for US Passport holders only).
But at the moment, a business visa for Vietnam is good for 3 months at maximum.