N.J. Stat. Ann. § 18A:66-49

Any member or beneficiary of the teachers' pension and annuity fund who was a member of the teachers' retirement fund as created by L.1896, c. 32; L.1899, c. 178; L.1900, c. 96; L.1902, c. 36; L.1903 (2nd Sp.Sess.), c. 1; L.1905, c. 95; L.1906, c. 314; L.1907, c. 139; prior to his becoming a member of the teachers' pension and annuity fund, shall receive in addition to his retirement allowance otherwise payable a pension which shall be the actuarial equivalent of the contributions, without interest, which he paid to the teachers' retirement fund prior to September 1, 1919, which he has not otherwise received.