Subpoenas to compel the attendance of witnesses and the production of records for any hearing on an appeal may be directed to be issued by a member of the Board of Review in cases appealed to the Board of Review, or by the appeal tribunal, in cases appealed to an appeal tribunal, only upon the showing of the necessity therefor by the party applying for the issuance for such subpoena.
N.J. Admin. Code § 1:12-11.1