On the grant of representation of the estate of any deceased person, all real and personal estate of which the person dies seised or possessed of, or entitled to, in the ACT, and that is unadministered at the date of the grant, passes to and becomes vested in the executor to whom probate has been granted or the administrator for all his or her estate and interest therein in the following way:
(a) on testacy in the executor or administrator with the will annexed;
(b) on intestacy in the administrator;
(c) on partial intestacy in the executor or administrator with the will annexed.