N.J. Stat. Ann. § 34:15-31.9

8. This act is intended to affirm certain rights of public safety workers and other employees under the circumstances specified in this act with respect to compensation provided pursuant to R.S.34:15-1 et seq. and shall not be construed as reducing, limiting or curtailing any rights of any other worker or employee to compensation pursuant to R.S.34:15-1 et seq. or of any worker with respect to any claim for compensation pursuant to R.S.34:15-1 et seq., including a claim initiated prior to the effective date of this act.