Records recovered by any public officer or duplicated by the public officer pursuant to the Public Records Recovery Act shall immediately be returned to the official custodian entitled to possession of the record. Prior to replacing the recovered documents, the public officer shall attach a certificate to each of them in a manner that it cannot be removed without destruction of the document stating the date on which the documents were recovered and the name of the person who had possession of the original or copy, the statement under oath of the person who had possession as to the authenticity of the original or copy, and if possible attesting to the belief of the public officer that the recovered documents are previously missing public records, or true copies of them.