50 U.S.C. § 4012: Certificates of service; persons reported missing

That a person named is, is not, has been, or has not been in military service. The time and the place the person entered military service. The person’s residence at the time the person entered military service. The rank, branch, and unit of military service of the person upon entry. The inclusive dates of the person’s military service. The monthly pay received by the person at the date of the certificate’s issuance. The time and place of the person’s termination of or release from military service, or the person’s death during military service. The Secretary concerned shall furnish a certificate under subsection (a) upon receipt of an application for such a certificate. A certificate appearing to be signed by the Secretary concerned is prima facie evidence of its contents and of the signer’s authority to issue it. A servicemember who has been reported missing is presumed to continue in service until accounted for. A requirement under this chapter that begins or ends with the death of a servicemember does not begin or end until the servicemember’s death is reported to, or determined by, the Secretary concerned or by a court of competent jurisdiction.