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ARTICLE · 21 MAY 2025

Paternity testing Australia law

How can paternity test results affect custody & child support decisions? Steps to take if when contesting paternity test results.

AustraliaFamily and Matrimonial

What is paternity testing Australia law? Paternity tests or DNA testing can be performed under the Family Law Act (1975). It is performed for a number of legal issues involving the Family Court of Australia. As opposed to a prenatal paternity test, a paternity test is taken after a child is born. In this article we explore paternity tests in Australia law.

Notably, in the absence of any conclusive DNA testing, there is a presumption of parentage that is applicable. For example, according to Section 69R of the FLA, a person is presumed to be the parent of a child if his/her name appears on the child's birth certificate. Read more about presumption of parentage here.

To begin with, under Section 69W of the Family Law Act, the court can make a parentage testing order. The court makes court-ordered paternity tests if they see it fit to do so. Alternatively, the court makes these orders if another party makes an application for such orders.

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