Vietnam
Optional formYou can fill in the Pre-Arrival Information (PAI) declaration online before you arrive, which can save time at the border. It's free on the official site.
Open the official formprearrival.immigration.gov.vnWhen to submit: Travellers can submit declarations within three days prior to their entry into Vietnam, or upon arrival.
Visas and travel authorizations depend on your nationality, so check those separately.
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Air arrivals at Noi Bai, Tan Son Nhat, Da Nang, Cam Ranh and Phu Quoc. Official sources differ: Vietnam's Ministry of Public Security (May 2026) and Vietnam's Embassy in Singapore (Jul 2026) describe it as optional or encouraged; the Singapore Consulate in Ho Chi Minh City (Apr 2026) says it is mandatory at Tan Son Nhat for foreigners using visas, and the US Embassy (17 Jun 2026) says it is mandatory at all airports for non-Vietnamese passport holders. It can be done up to 3 days before arrival or on arrival.
Checked 27 October 2026. Sources:
- Ministry of Public Security: Immigration Department launches Pre-arrival Information System
- Embassy of Viet Nam in Singapore: Notice on Viet Nam's Pre-Arrival Information Declaration (Jul 2026)
- Singapore Consulate-General in Ho Chi Minh City: Tan Son Nhat airport introduces pre-arrival declaration
- US Embassy in Vietnam: Pre-Arrival Declaration notice (17 Jun 2026)