If, upon the death of a participant, former participant, or beneficiary, there is no valid designation of beneficiary on file with the committee, the committee shall designate as beneficiary, in order of priority, (a) surviving spouse, (b) surviving issue including adopted ones on a per stirpes basis, (c) surviving parents, or (d) the estate, provided that at all times the committee shall have the reserved right to select (d) irrespective of said order of priority. The determination of the committee as to which persons, if any, qualify within the aforementioned categories shall be final and conclusive upon all persons. (Ord. 6747-NS § 1, 2003)