Each public institution of higher education in New Jersey may permit persons of the age of 65 or more years to enroll without the payment of any tuition charges in regularly scheduled courses; provided that available classroom space permits and that tuition paying students constitute the minimum number required for the course, provided that nothing herein shall preclude public institutions from requiring registration fees for individuals attending courses pursuant to waivers granted under this act.
N.J.S. § 18A:62-3