Legal basis: Article 15 of the Civil Law of People's Republic of China (PRC) stipulates that the time of birth and death of a natural person shall be based on the time recorded in the birth certificate and death certificate; If there is no birth certificate or death certificate, the time recorded in the household registration or other valid identity registration shall prevail. If there is other evidence enough to overturn the time recorded above, the time proved by the evidence shall prevail.