New Jersey Statutes Title 52. State Government, Departments and Officers 52 § 15B-12

a. When the Inspector General refers complaints alleging criminal conduct to the Attorney General or other appropriate prosecutorial authority and the Attorney General or prosecutorial authority decides not to investigate or prosecute the matter, the Attorney General or the prosecutorial authority shall promptly notify the Inspector General.  The Attorney General or the prosecutorial authority shall inform the Inspector General as to whether an investigation is ongoing with regard to any matter so referred.  The Inspector General shall preserve the confidentiality of the existence of any ongoing criminal investigation.

If the Attorney General or the prosecutorial authority decides not to investigate or act upon the matter referred, the Inspector General is authorized to continue an investigation after the receipt of such a notice.

Upon completion of an investigation or, in a case where the investigation leads to prosecution, upon completion of the prosecution, the Attorney General or the prosecutorial authority shall report promptly the findings and results to the Inspector General.  In the course of informing the Inspector General, the Attorney General or prosecutorial authority shall give full consideration to the authority, duties, functions, and responsibilities of the Inspector General, the public interest in disclosure, and the need for protecting the confidentiality of complainants and informants.

b. With respect to referrals other than those described in subsection a. of this section, the appropriate authority to which a matter has been referred by the Inspector General shall report to the Inspector General promptly when a final determination is made to not investigate or act upon the matter referred, or promptly upon completion of the investigation or action taken.  The appropriate authority shall inform the Inspector General as to whether an investigation is ongoing with regard to any matter so referred.

In the course of informing the Inspector General, the appropriate authority shall give full consideration to the authority, duties, functions, and responsibilities of the Inspector General, the public interest in disclosure, and the need for protecting the confidentiality of complainants and informants.

If the governmental entity decides not to investigate or act upon the matter referred, the Inspector General is authorized to continue an investigation after the receipt of such a notice.

c. The Inspector General shall maintain a record of all matters referred and the responses received and shall be authorized to disclose information received as appropriate and as may be necessary to resolve the matter referred, to the extent consistent with the public interest in disclosure and the need for protecting the confidentiality of complainants and informants and preserving the confidentiality of ongoing criminal investigations.