Northern Territory Consolidated Acts Northern Territory Consolidated Acts7. Minimum age for making will
(1) Subject to subsection (2) and Part 3, a will made by a minor is not valid.
(2) A minor -
(a) may make a will in contemplation of marriage (and may alter or revoke the will) but the will is of no effect if the marriage contemplated does not take place;
(b) if he or she is married - may make, alter or revoke a will; and
(c) if he or she has been married - may revoke the whole or any part of a will made while the minor was married or in contemplation of his or her marriage.