employees of the State, other than employees of the Judicial Branch;
employees of an independent State authority, board, commission, corporation, agency or organization;
employees of a local school district, regional school district, county vocational school district, county special services school district, jointure commission, educational services commission, State-operated school district, charter school, county college, any officer, board, or commission under the authority of the Commissioner of Education or of the State Board of Education, and any other public entity which is established pursuant to authority provided by Title 18A of the New Jersey Statutes; or
employees of a State public institution of higher education shall contribute 5.5% of compensation to the system, and all such members described above enrolled in the system prior to July 1, 2007 shall contribute 5.5% of compensation to the system effective with the payroll period for which the beginning date is closest to July 1, 2007.
Members enrolled in the retirement system on or after July 1, 2008, other than those described in the paragraph above, shall contribute 5.5% of compensation to the system. Members enrolled in the system prior to July 1, 2008, other than those described in the paragraph above, shall contribute 5.5% of compensation to the system effective with the payroll period that begins immediately after July 1, 2008.
If payment in full, representing the monthly or biweekly transmittal and report of salary deductions, is not made within 15 days of the due date established by the retirement system, interest at the rate of 6% per annum shall commence to run against the total transmittal of salary deductions for the period on the first day after such fifteenth day.
N.J.S. § 43:15A-25