within 12 hours of arrival. Done by the accommodation.
A foreigner staying temporarily in Viet Nam declares temporary residence through the manager of the accommodation establishment to the commune, ward or township police, or the police station or post, where the establishment is located. The establishment must ask the foreigner to show a passport or international travel document, and papers on residence in Viet Nam, before agreeing to let the foreigner stay. The declaration is made electronically or on a paper form. With a paper form, the manager must deliver it within 12 hours, or 24 hours in remote areas, of the foreigner's arrival. An establishment that does not declare temporary residence is fined VND 3,000,000 to 5,000,000 for 1 to 3 foreigners, VND 10,000,000 to 15,000,000 for 4 to 8, and VND 15,000,000 to 20,000,000 for 9 or more.
If not done: An accommodation establishment that does not declare temporary residence is fined VND 3,000,000 to 5,000,000 for 1 to 3 foreigners, VND 10,000,000 to 15,000,000 for 4 to 8 foreigners, and VND 15,000,000 to 20,000,000 for 9 or more (Decree 282/2025/NĐ-CP, Art. 21).