N.J. Stat. § 2A:17-56.55
In accordance with regulations adopted by the commissioner, the department shall make the determination as to whether an individual who has applied for or is receiving public assistance or assistance under the State Medicaid program pursuant to P.L. 1968, c.413 (C.30:4D-1 et seq.) or the Title IV-E program is cooperating in good faith in establishing the paternity of, or in establishing, modifying or enforcing a support order for any child of the individual by providing the name of the non-custodial parent and such other information as may be required for this purpose. The determination shall be made subject to good cause and other exemptions as specified by the commissioner, by regulation.
The department shall notify the individual and appropriate State or county entities administering TANF and appropriate State or county entities administering the State Medicaid program of each determination, and if noncooperation is determined, the basis therefor.
N.J.S. § 2A:17-56.55