After getting married, the household registration will be left in a separate household registration book for the natal family, and it will not affect the purchase of a house by the younger brother of the natal family. A set of real estate, under one real estate certificate, can have one household registration book. Multiple accounts can be transferred under the household registration book. If a citizen's occupation, service location, education level, and marital status in the household registration items change or errors occur, he or she can apply to the local public security bureau for registration changes and corrections. Changing household registration items generally requires the production of relevant supporting documents and review by the public security organs.
Article 6 of the "Household Registration Regulations of the People's Republic of China" Citizens should register as permanent residents in the place where they usually live. A citizen can only register as permanent residents in one place. Article 4 The household registration authority shall establish a household registration book. In cities, rivers and towns with public security police stations, each household should be issued a household registration book. Household registration books are issued to cooperatives in rural areas; household registration books are not issued to households outside cooperatives. The household registration book and the matters recorded in the household registration book have the effect of proving citizenship.