Northern Territory Consolidated Acts Northern Territory Consolidated Acts5. Presumptions of paternity arising from cohabitation
If -
(a) a child is born to a woman; and
(b) at any time during the period beginning not earlier than 44 weeks and ending not later than 20 weeks before the birth, the woman cohabited with a man to whom she was not married,
the child is presumed to be a child of the man.