N.J. Stat. § 52:13E-2: Personal service

No person may be required to appear at a hearing or to testify at a hearing unless there has been personally served upon him prior to the time when he is required to appear, a copy of this act, and a general statement of the subject of the investigation. A copy of the resolution, statute, order or other provision of law authorizing the investigation shall be furnished by the agency upon request therefor by the person summoned.

L.1968, c. 376, s. 2, eff. Dec. 27, 1968.