NRS 440.440: Duties of funeral director and sheriff upon death of unknown person.

1. In any case of a death occurring to anyone whose identity is unknown, before burying the body the funeral director shall annex to the certificate of death a certificate from the sheriff that the sheriff has on file in his or her office the fingerprints of the body.

2. Sheriffs of the respective counties shall maintain in their respective offices a file known as the unidentified deceased persons file. Sheriffs shall, without further compensation, see that such fingerprints are obtained as provided in this section and placed in the file as a public record.