N.J. Stat. Ann. § 14A:14-6

If any person summoned to be examined pursuant to section 14A:14-5 shall refuse to be sworn, or to affirm, or to testify, or to answer a proper question, or to produce the books, papers, documents or tangible things demanded, or shall otherwise misconduct himself, the Superior Court may, on motion, and after affording such person the opportunity to be heard, punish such person in the same manner as like failure is punishable in a case pending in the court.