Any employee who applies to withdraw from a county retirement system, as provided in subsection (b) hereof, shall, within said 60-day period, file a copy of such application with the board of trustees of the public employees' retirement system together with his application for membership in the public employees' retirement system. The county retirement system to which such employee has made contributions shall cause to be transferred to the public employees' retirement system within 90 days thereafter the amount of such employees' contributions to such county retirement system, without interest, for which such employee shall receive prior service credit for the time of his membership in such county retirement system. Any such veteran member who, in his application for membership in the public employees' retirement system requests prior service credit as provided by section 60 of this act, shall be entitled to same as therein provided.
N.J.S. § 43:15A-79