And at certain point during the latter half of the twentieth century, a tight local surveillance system existed to ensure that people were sleeping at the address they had registered as their own.
If this person moves on a semi-permanent basis to another place within the same province or national municipality (within Ho Chi Minh City, for example), then he or she needs to register for a KT2 residential status at that new address.
But the public security apparatus that manages the hộ khẩu system is also difficult to deal with, especially if one is a poor migrant worker with little to no formal education.
[3] For a migrant family in Saigon with no KT3 or KT4 registration, subsidised medical care, poverty assistance, and almost-free schooling are all out of reach.
According to the 2020 Residence Law, all household registration books issued to Vietnamese citizens will expire on January 1, 2023.