Western Australian Consolidated Acts PROPERTY LAW ACT 1969 - SECT 120 120 .         Devolution of property in cases of simultaneous deaths Where, after 6 December 1962, 2 or more persons have died at the same time or in circumstances that give rise to reasonable doubts as to which of them survived the other or others  --  (a)         the property of each person so dying shall devolve and if he left a will it shall take effect, unless a contrary intention is shown by the will, as if he had survived the other person or persons so dying and had died immediately afterwards; (b)         every donatio mortis causa made by a person so dying to another person so dying is void and of no effect; (c)         if the life of a person so dying is insured under any policy of life or accident insurance, and any other person or persons so dying would be entitled (otherwise than under a will or on the intestacy of any person) to the proceeds payable under the policy or any part of the proceeds if he or they survived the person so insured, the proceeds shall, unless a contrary intention is shown by the instrument governing the distribution of the proceeds, be distributed as if the person so insured had survived every other person so dying and had died immediately afterwards; (d)         any property owned jointly and exclusively by 2 or more of the persons so dying, other than property so owned by them as