Types of Legal Tests

NATA and Legally Verified Testing in Australia

GTL Australia offers both legally verified and NATA accredited services. If you actually have started any type of court proceeding or have had the test court ordered, you will need to choose our NATA accredited legal DNA testing service. Only the results of a DNA test carried out by a NATA certified. NATA is the National Association of Testing Authorities of Australia and having this accreditation attests to the competence and expertise of the laboratory, providing a legal result that is up to court standards. Our NATA accredited legal test begins from $595 for testing alleged father, child and mother.

For more information about the importance of accreditation click here.

Legally Verified DNA Testing

In a legally verified DNA test, the sample collection process is slightly easier but adults participating in the test must still have their samples collected by an independent third party such as a Doctor or a Nurse (also referred to as Chain-of-custody collection process). This test can be used when people want reassurance that samples being submitted are indeed from the correct people. During the sample collection process identification must be presented and passport photos will also be submitted and this is all documented at sampling.

We offer a range of other tests that can be used for legal purposes. Get more information about our broad range of DNA tests.

Your Kit

Our kits are sent directly to the person who will collect the samples. Your paternity testing kit will contain:

  • Special forms which need to be signed and filled in by the sampler. Some sections need to also be filled in by the people taking part in the test.*
  • The procedure to follow for the test and the sample collection. All this will be outlined in the instructions we provide.
  • Buccal swabs: a pack of 4 swabs for every person tested.

*Any children being sampled that are under the age of consent in Australia will have their legal parent or guardian sign and fill out their sections of the forms.

Steps to Follow

The steps that need to be followed are few and simple but integral to the validity of the results of the test. The entire procedure where a sampler is engaged to collect samples and act as testifier is summed up in the phrase “chain of custody”. The following are some important points:

  • The sampler is chosen by the test participants themselves (although in some cases the sampler may be appointed by an embassy/consulate or a correctional facility/prison).
  • The sampler must be unrelated – all possible bias must be thus, eliminated.
  • The sampler must be willing and available to appear in court should they be summoned by the judge (this is unusual but it may happen)
  • The sampler collect samples – no one else but the sampler can touch, handle, palpate or come into contact with the swabs. Once the samples have been collected, it is the sampler who must personally send samples back for testing.

Types of identification accepted include: a passport (Australian or otherwise), Full Australian birth certificate issued by an Australian state or territory Registry of Births, Deaths and Marriages, a certificate of citizenship issued by Immigration and Citizenship Department, Current driving license issued by an Australian state or territory and others.

GTL Australia cannot unconditionally guarantee acceptance of its legal results by an Australian Family Law court or any other court in Australia. We are recognized as a NATA accredited facility and the results of our tests are incontrovertible. However, the judge could refute the results of a paternity test for various reasons depending on the specific case (for example the judge might refute the results if he or she believes that father is unfit to parent). Remember the law courts must always act in the best interests of the child.

Could do with a Home Paternity Test?

Home paternity testing is your first choice when it comes to establishing paternity. We, at GTL Australia, suggest legal tests to our clients only if they have already definitively established that they are not the father or have a court order for a paternity test.

Reliable proof of parentage can be especially important for legal reasons. The results of a NATA accredited paternity test can be used in a court case to support any claims to the paternity of a child or perhaps to invalidate any previous paternity claims.


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