153(1)A designation in an instrument purporting to be a will is not ineffective by reason only of the fact that the instrument is invalid as a will, or that the designation is invalid as a bequest under the will.

153(2)Notwithstanding the Wills Act, a designation in a will is of no effect against a designation made later than the making of the will.

153(3)Where a designation is contained in a will, if subsequently the will is revoked by operation of law or otherwise, the designation is thereby revoked.

153(4)Where a designation is contained in an instrument that purports to be a will, if subsequently the instrument if valid as a will would be revoked by operation of law or otherwise, the designation is thereby revoked.