Northern Territory Consolidated Acts37. Method of voting
(1) If a person is issued with a ballot-paper under section 36, the person must mark and fold his or her ballot-paper in the manner prescribed in section 34(a) and (b) and return it to the presiding officer for the polling place.
(2) A presiding officer who receives a ballot-paper in accordance with subsection (1) must in the presence of the person who marked and folded the ballot-paper and of scrutineers that are present -
(a) enclose the ballot-paper, without unfolding it, in an envelope bearing the declaration of the person under section 36(1), (2) or (3), as the case may be, and addressed to the Divisional Returning Officer for the division for which the person claims to be entitled to vote; and
(b) forthwith securely fasten the envelope and deposit it in a ballot-box.