LRB-3297/1
PJK:kmg:rs
2003 - 2004 LEGISLATURE
October 2, 2003 - Introduced by Representatives Wasserman, Musser, Albers, M.
Lehman
and Stone. Referred to Committee on Family Law.
AB557,1,4 1An Act to renumber 767.458 (1m); to amend 767.458 (1) (c), 767.458 (1) (d) and
2891.39 (1) (a); and to create 767.458 (1m) (b) and 891.39 (4) of the statutes;
3relating to: ordering genetic tests when a child's mother or her husband
4desires to rebut the presumption of paternity.
Analysis by the Legislative Reference Bureau
Under current law, a man who was married to the mother of a child when the
child was born or conceived is presumed to be the father of the child. The man may
bring an action or a motion in another action, such as a divorce, to rebut that
presumption. The presumption is rebutted if the results of genetic tests show that
another man is not excluded as the father of the child and the probability that the
other man is the father is 99 percent or higher. Current law also provides that in a
paternity action brought by a man alleging that he, not the mother's husband, is the
father of a child, a judge or court commissioner may refuse to order genetic tests and
dismiss the action if, upon the motion of a party or guardian ad litem, the judge or
court commissioner determines that it is not in the child's best interest to determine
whether a man other than the mother's husband is the father.
This bill provides that a judge or court commissioner may not refuse to order
genetic tests or refuse to admit the results of the tests into evidence if, before
judgment is entered in an annulment, divorce, legal separation, custody, or paternity
action, the child's mother or the man who is presumed to be the father of the child
because he is the mother's husband desires to rebut the presumption that the
husband is the father. The bill also provides that the provision under current law

that sets out the bases for reopening judgments and orders applies to a motion to
reopen a divorce or legal separation judgment or a judgment or order for legal custody
or child or family support on the basis that a presumption of paternity is rebutted.
For further information see the state fiscal estimate, which will be printed as
an appendix to this bill.
The people of the state of Wisconsin, represented in senate and assembly, do
enact as follows:
AB557, s. 1 1Section 1. 767.458 (1) (c) of the statutes is amended to read:
AB557,2,52 767.458 (1) (c) Except as provided under sub. (1m) (a) and s. 767.463, the
3respondent may request the administration of genetic tests which either
4demonstrate that he is not the father of the child or which demonstrate the
5probability that he is or is not the father of the child;
AB557, s. 2 6Section 2. 767.458 (1) (d) of the statutes is amended to read:
AB557,2,87 767.458 (1) (d) Except as provided in subs. (1m) (a) and (2) and s. 767.463, the
8court will order genetic tests upon the request of any party; and
AB557, s. 3 9Section 3. 767.458 (1m) of the statutes is renumbered 767.458 (1m) (a).
AB557, s. 4 10Section 4. 767.458 (1m) (b) of the statutes is created to read:
AB557,2,1511 767.458 (1m) (b) Notwithstanding par. (a), if either the woman or the husband
12desires to rebut the presumption under s. 891.41 (1) that the husband is the father
13of the child, the court or circuit or supplemental court commissioner may not refuse
14to order genetic tests and may not refuse to admit the results of the genetic tests into
15evidence.
AB557, s. 5 16Section 5. 891.39 (1) (a) of the statutes is amended to read:
AB557,3,1417 891.39 (1) (a) Whenever it is established in an action or proceeding that a child
18was born to a woman while she was the lawful wife of a specified man, any party
19asserting in such action or proceeding that the husband was not the father of the

1child shall have the burden of proving that assertion by a clear and satisfactory
2preponderance of the evidence. In all such actions or proceedings the husband and
3the wife are competent to testify as witnesses to the facts. The court or judge in such
4cases shall appoint a guardian ad litem to appear for and represent the child whose
5paternity is questioned. If either the husband or the wife desires to rebut the
6presumption of paternity under s. 891.41 (1) before the entry of a judgment in an
7action affecting the family under s. 767.02 (1) (b), (c), (d), (e), or (L), the court may
8not refuse to order genetic tests and may not refuse to admit the results of the genetic
9tests into evidence.
Results of a genetic test, as defined in s. 767.001 (1m), showing
10that a man other than the husband is not excluded as the father of the child and that
11the statistical probability of the man's parentage is 99.0% or higher constitute a clear
12and satisfactory preponderance of the evidence of the assertion under this
13paragraph, even if the husband is unavailable to submit to genetic tests, as defined
14in s. 767.001 (1m).
AB557, s. 6 15Section 6. 891.39 (4) of the statutes is created to read:
AB557,3,1916 891.39 (4) Section 806.07 applies to any motion to reopen a judgment of divorce
17or legal separation or an order or judgment for legal custody or child or family support
18on the basis that the man presumed to be the father of a child under s. 891.41 (1) is
19not the child's father.
AB557,3,2020 (End)
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