(a) Except as provided in (b) of this section, AS 13.06.068, AS 13.12.506, and 13.12.513, a will must be
(1) in writing;
(2) signed by the testator or in the testator's name by another individual in the testator's conscious presence and by the testator's direction; and
(3) signed by at least two individuals, each of whom signs within a reasonable time after the witness witnesses either the signing of the will as described in (2) of this subsection or the testator's acknowledgment of that signature or the will.
(b) Except as provided in AS 13.06.068, a will that does not comply with (a) of this section is valid as a holographic will, whether or not witnessed, if the signature and material portions of the document are in the testator's handwriting.