Northern Territory Consolidated Acts13. How wills may be revoked
The whole or a part of a will may be revoked but only -
(a) in the circumstances in respect of revoking a will specified in Division 1 or 2 of Part 3;
(b) by the operation of section 14 or 15;
(c) by a later will;
(d) by some writing declaring an intention to revoke the will, executed in the manner in which a will is required to be executed by this Act;
(e) by the testator, or another person in the testator's presence and at the testator's direction, burning, tearing or otherwise destroying the will with the intention of the testator of revoking it; or
(f) by the testator, or another person in the testator's presence and at the testator's direction, writing on the will or dealing with the will in such a manner that the Court is satisfied from the state of the will that the testator intended to revoke it.