CHAPTER 9. AUTHENTICATION AND IDENTIFICATION
Art. 901. Requirement of authentication or identification
A. General provision. The requirement of authentication or identification as a
condition precedent to admissibility is satisfied by evidence sufficient to support a finding
that the matter in question is what its proponent claims.
B. Illustrations. By way of illustration only, and not by way of limitation, the
following are examples of authentication or identification conforming with the
requirements of this Article:
(1) Testimony of witness with knowledge. Testimony that a matter is what it is
claimed to be.
(2) Nonexpert opinion on handwriting. Nonexpert opinion as to the genuineness of
handwriting, based upon familiarity not acquired for purposes of the litigation.
(3) Comparison by trier or expert witness. Comparison by the trier of fact or by
expert witnesses with specimens which have been authenticated.
(4) Distinctive characteristics and the like. Appearance, contents, substance,
internal patterns, or other distinctive characteristics, taken in conjunction with
circumstances.
(5) Voice identification. Identification of a voice, whether heard firsthand or
through mechanical or electronic transmission or recording, by opinion based upon
hearing the voice at any time under circumstances connecting it with the alleged speaker.
(6) Telephone conversations. Telephone conversations, by evidence that a call was
made to the number assigned at the time by the telephone company to a particular person
or business, if:
(a) In the case of a person, circumstances, including self-identification, show the
person answering to be the one called; or
(b) In the case of a business, the call was made to a place of business and the
conversation related to business reasonably transacted over the telephone.
(7) Public records or reports. Evidence that a writing authorized by law to be
recorded or filed and in fact recorded or filed in a public office, or a purported public
record, report, statement, or data compilation, in any form, is from the public office where
items of this nature are kept.
(8) Ancient documents or data compilation. Evidence that a document or data
compilation, in any form:
(a) Is in such condition as to create no suspicion concerning its authenticity;
(b) Was in a place where it, if authentic, would likely be; and
(c) Has been in existence thirty years or more at the time it is offered.
(9) Process or system. Evidence describing a process or system used to produce a
result and showing that the process or system produces an accurate result.
(10) Methods provided by legislation. Any method of authentication or
identification provided by Act of Congress or by Act of the Louisiana Legislature.
Acts 1988, No. 515, §1, eff. Jan. 1, 1989.