1. Before the ancestral property is changed to school-age children or their parents, the household registration address of school-age children and their parents (at least one of them) is the same as the house address. 2. At the time of registration, the household registration of school-age children and adolescents, their parents and grandparents is consistent with the above-mentioned house address. 3. At the time of registration, provide the only real estate certificate issued by the Municipal Real Estate Registration Service Center for school-age children and adolescents and their parents (that is, the real estate transferred by the original ancestors). Other conditions meet the registration conditions, according to the grandparents (grandparents or grandparents) property certificate issued by the Municipal Real Estate Registration Service Center, the number of real estate months can be continuously calculated.
Otherwise, the number of months of real estate is calculated from the registration time of the real estate license (real estate license) of school-age children or their parents.