New Jersey Statutes Title 30. Institutions and Agencies 30 § 4-140

For every year or fractional part of a year of a custodial sentence imposed upon any person there shall be remitted to the person from both the maximum and minimum term of the person's sentence, for continuous orderly deportment, the progressive time credits indicated in the schedule in this section. When a sentence contains a fractional part of a year in either the minimum or maximum thereof, then time credits in reduction of the fractional part of a year shall be calculated at the rate set out in the schedule for each full month of the fractional part of a year of sentence.In case of any flagrant misconduct the board of managers may declare a forfeiture of the time previously remitted, either in whole or in part, as they deem just.

Any sentence in excess of 30 years shall be reduced by time credits for continuous orderly deportment at the rate of 192 days for each additional year or 16 days for each full month of any fractional part of a year. Nothing in this section shall be deemed to limit or affect an inmate's eligibility for parole consideration as provided for in section 10of P.L.1948, c. 84 (C.30:4-123.1 et seq.), as amended,  1 in any situation where the sentence or consecutive sentences imposed upon an inmate shall exceed 25 years.