N.J. Stat. § 9:6-8.58a
When a child is placed in the custody of a relative or other suitable person or the Division of Child Protection and Permanency pursuant to section 34 of P.L. 1974, c. 119(C.9:6-8.54), because of a finding of abuse or neglect, the Superior Court, Chancery Division, Family Part shall order the parent and, when appropriate, any other adult domiciled in the home to undergo substance use disorder assessment, when necessary. If the assessment reveals positive evidence of substance use disorder, the court shall require the parent and other adult, when appropriate, to demonstrate that the parent or other adult is receiving treatment and complying with the treatment program for the substance use disorder before the child is returned to the parental home.
N.J.S. § 9:6-8.58a