Northern Territory Consolidated RegulationsA notice for the purposes of regulation 8 may be given to or served on a person by:
(a) delivering it personally to the person;
(b) leaving it at the person's usual or last known place of residence with another person, apparently resident at the place;
(c) leaving it at the person's usual or last known place of business with another person, apparently in a position of authority at the place; or
(d) posting it in a prepaid letter addressed to the person at the person's usual or last known place of residence or business.