Paternity Testing Information for the State of
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The Louisiana Statute
(a) That the affiant is qualified as an examiner of blood or
tissue samples for inherited characteristics, including but not
limited to blood and tissue types, to administer the test and
shall give the affiant's name, address, telephone number,
qualifications, education, and experience.
(b) How the tested individuals were identified when the samples
(c) Who obtained the samples and how, when, and where the
samples were obtained.
(d) The chain of custody of the samples from the time obtained
until the tests were completed.
(e) The results of the test and the probability of paternity as
calculated by an expert based on the test results.
(f) The procedures performed to obtain the test results.
(2) A notice that the report has been filed shall be mailed by
certified mail to all parties by the clerk of court or shall be
served in accordance with Code of Civil Procedure Article 1314.
(3) A party may challenge the testing procedure within thirty
days of the date of receipt or service of the notice.
B.(1) If the court finds there has been a procedural error in
the administration of the tests, the court shall order an
additional test made by the same laboratory or expert.
(2)(a) If there is no timely challenge to the testing procedure
or if the court finds there has been no procedural error in the
testing procedure, the certified report shall be admitted in
evidence at trial as prima facie proof of its contents, provided
that the party against whom the report is sought to be used may
summon and examine those making the original of the report as
witnesses under cross-examination. The summons for the individual
making the original of the report may be served through his
employer's agent for service of process listed with the secretary
of state or served pursuant to R.S. 13:3201 et seq.
(b) A certified report of blood or tissue sampling which
indicates by a ninety-nine and nine-tenths percentage point
threshold probability that the alleged father is the father of the
child creates a rebuttable presumption of paternity.
C. Any additional testing ordered by the court pursuant to this
Part shall be proved by the testimony of the expert.
D. If the court finds that the conclusions of all the experts
as disclosed by the reports, based upon the tests, are that the
alleged father is not the father of the child, the question of
paternity shall be resolved accordingly. If the experts disagree
in their findings or conclusions, the question shall be submitted
upon all the evidence.
This information is provided for reference only