New Jersey Statutes Title 18A. Education 18A § 66-20

(a) Any contributions made by a member in excess of those required shall be refunded with regular interest to January 1, 1956, to the member or his beneficiary or estate or shall, at his request, be used at retirement with regular interest to provide an annuity of equivalent actuarial value which shall be in addition to his retirement allowance as computed in accordance with section 18A:66-44.

(b) Upon the submission of such evidence as the retirement system may require, the system shall refund to any member, that part of his accumulated deductions paid into the retirement system as a result of deductions based on payments to him over and above compensation as defined in this article.

(c) Until July 1, 1974 contributions, made by a member employed by an institution of higher education prior to July 1, 1969, on the basis of compensation earned during summer sessions may be refunded with regular interest to January 1, 1956 to the member at his request or shall be included in the computation of his retirement allowance.