Northern Territory Consolidated Acts19. Casual vacancies
(1) If a vacancy occurs in the office of a member referred to in section 10(3)(c), (d), (e), (f), (g), (h), (k) or (m) before the expiry of the term of the member's office but after the member has served not less than half the term of his or her office, the Council must appoint a person who is qualified under this Division to hold that office to fill the vacancy.
(2) A person appointed under subsection (1) holds office as a member of the Council for the unexpired portion of the term of office of the member in whose place he or she is appointed.