N.J. Stat. Ann. § 13:1D-130

6. Whenever a person responsible for a minor violation designated as such pursuant to section 5 of this act of an environmental law voluntarily discloses to the department or local government agency the existence of that violation, the department or local government agency, as the case may be, shall not impose a civil or civil administrative penalty for the violation; provided the person responsible for the violation fully discloses all relevant circumstances surrounding the violation within 30 days of its discovery, immediately ceases any continuation of the violation, and promptly remedies the violation and achieves compliance, in accordance with the timeframes established pursuant to section 3 of this act.