N.J. Stat. Ann. § 40:9B-4

2. The governing body of any county or municipality may annually appropriate funds to any approved, privately operated, nonprofit narcotic and substance use disorder treatment center certified by the Commissioner of Health pursuant to P.L.1970, c.334 (C.26:2G-21 et seq.), for the purpose of helping to defray expenses incurred in the provision of facilities to prevent and control substance use disorder, and to provide diagnosis, treatment, rehabilitation and aftercare to persons with substance use disorders who are residents of any county or municipality making such appropriations.