Proof of kinship can be issued at the local police station where the original birth declaration account is located. When issuing the certificate, you need to provide the following materials: the applicant's resident identity card and household registration book, and the kinship certificate issued by the personnel department of the applicant's unit. If you entrust others to notarize, you must submit a power of attorney and a resident ID card, and the relevant parties need to submit a resident ID card, household registration book or passport, pass and other documents to prove their identity information.
law
Article 2 of the Notary Law of People's Republic of China (PRC) is an activity of notaries to prove the authenticity and legality of civil legal acts, facts and documents with legal significance according to the application of natural persons, legal persons or other organizations and legal procedures.
skill
The above answer is only for the current information combined with my understanding of the law, please refer carefully!
If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.