Hawaii Revised Statutes Division 3. Property; Family § 560:2-206

(1) The decedent's fractional interest in property held as a joint tenant with the right of survivorship, to the extent that the decedent's fractional interest passed to the surviving spouse or reciprocal beneficiary as surviving joint tenant;

(2) The decedent's ownership interest in property or accounts held in co-ownership registration with the right of survivorship, to the extent the decedent's ownership interest passed to the surviving spouse or reciprocal beneficiary as surviving co-owner; and

(3) All other property that would have been included in the augmented estate under section 560:2-205(1) or (2) had it passed to or for the benefit of a person other than the decedent's spouse or reciprocal beneficiary, surviving spouse or reciprocal beneficiary, the decedent, or the decedent's creditors, estate or estate creditors.