In this Act:
"parent" of a child does not include a parent whose guardianship of the child has been abrogated by—
(a) a judgment, decree or order of a federal court or a court of a State that is in force; or
(b) a judgment, decree or order of a court in a foreign country that is in force and that would be recognised by a Territory court in conformity with the common law rules of private international law.
Note State includes the Northern Territory (see Legislation Act
, dict, pt 1).