Legal analysis: Division and Place Name Division of Civil Affairs Bureau is responsible. The doorplate and floor plate are the legal signs and address codes of urban unit courtyards, residential (village) courtyards, bungalows and buildings set up by civil affairs departments in accordance with the requirements of scientific management of geographical names, and are a basic work for the government to implement public management. It plays an important role in people's external communication, postal communication, emergency rescue, household registration management, urban planning and construction. The second-generation ID card also takes the house number as the home address.
Legal basis: Civil Code of People's Republic of China (PRC).
Article 216 The real estate register is the basis for the ownership and content of real right.
The real estate register is managed by the registration agency.
Article 217 The certificate of ownership of immovable property is the proof that the obligee enjoys the real right of immovable property. The items recorded in the certificate of real estate ownership shall be consistent with the real estate register; If the records are inconsistent, unless there is evidence to prove that the real estate register is indeed wrong, the real estate register shall prevail.