When no transaction has occurred in a member's share or deposit account for 12 months and his whereabouts are unknown, as verified by the return of a certified letter addressed to him at his last known address, all sums due to the member shall be credited to a special reserve account. If the sums are not reclaimed within a five year period, they shall escheat to the State and be forwarded to the Treasurer of the State of New Jersey.
N.J.S. § 17:13-108