Northern Territory Consolidated Acts Northern Territory Consolidated Acts9A. Presumptions of paternity arising from acknowledgments
(1) If -
(a) under subsection (2) or another law of the Territory, the Commonwealth, a State or another Territory of the Commonwealth or a prescribed overseas jurisdiction, a man has executed an instrument acknowledging that he is the father of a specified child; and
(b) the instrument has not been annulled or otherwise set aside,
the man is presumed to be the father of the child.
(2) Where an instrument is signed by the parent of a child and by a man acknowledging that he is the other parent of the child and the instrument -
(a) is executed as a deed; or
(b) is signed jointly or severally by each of those persons in the presence of a legal practitioner,
the persons named are presumed to be the parents of the child.