N.J. Stat. § 18A:64A-72
Eligible employees of the county college shall be enrolled in the alternate benefit program pursuant to P.L. 1969, c. 242 (C. 18A:66-167 et seq.). The county college shall be responsible for the payment of any additional pension costs which are in excess of the maximum contributions provided by the State.
Employees of the private institution who have previously been enrolled in the TIAA-CREF program at that institution, but are ineligible for membership in the alternate benefit program, may continue in the TIAA-CREF program. All new employees not eligible for enrollment in the alternate benefit program shall enroll in the Public Employees' Retirement System if they are otherwise eligible.
Any faculty member of the institute on the effective date of this act, who is a member of the Teachers' Pension and Annuity Fund and who is otherwise eligible, may participate in the alternate benefit program by declaring his intention to participate in the program in writing within 90 days of the effective date of this act.
N.J.S. § 18A:64A-72