N.J. Admin. Code § 17:27-10.2
The Division, Department, or public agency compliance officer designated by a public agency who has received authority from the Division or Department, on its own initiative or in response to an allegation from a public agency compliance officer, or in response to a written complaint or allegation from an interested party, shall investigate any complaint or allegation of a violation of this chapter or of an approved affirmative action program. If the Division, Department, or public agency compliance officer designated by a public agency, who has received authority from the Division or the Department, determines that there is a substantial probability that a violation is occurring, it may issue a written alert notice to a contractor or subcontractor and provide a copy to the public agency. The alert notice shall explain in sufficient detail the facts of the alleged violation.
N.J. Admin. Code § 17:27-10.2