1. Identity verification: the household registration book can prove that both parties registered for marriage are legal residents, have civil capacity and meet the requirements of marriage age.
2. Confirm the household registration information: the household registration book records the household registration address of both parties and the relationship between family members. When registering a marriage, the staff need to check this information to ensure the accuracy of the registration.
3. Prevention of bigamy: The hukou can show the marital status of the parties. If the household registration book shows that one of them is married, the staff can stop bigamy in time.
4. Easy to manage: the household registration book provides important personal information in the process of marriage registration, which helps the civil affairs department to conduct unified management and statistics on marriage registration.
5. Legal basis: According to the Marriage Law of the People's Republic of China and other relevant laws and regulations, the household registration book is one of the necessary documents for marriage registration and has legal effect.
In short, the purpose of carrying the household registration book is to verify the identity information, household registration address and family relationship of both parties, and to ensure the accuracy and legality of registration. At the same time, the household registration book is also one of the necessary documents stipulated by law. Please be sure to bring a valid household registration book when registering for marriage.