In the event that no contributions have been made on an individual’s behalf for a period of sixty (60) consecutive months, no application for payment has been made by the end of that period and the Trustees have been unable, with due diligence, to locate the Participant for whom such benefit was established, or the Beneficiaries of a Participant known to be deceased, by the end of that period, that Participant’s benefit shall be applied to the expenses of the Plan, provided that if the Participant thereafter files an application and is entitled to payment of the benefit, full payment shall be made.