N.J. Stat. Ann. § 52:13-2

If any person upon being summoned in writing by order of any committee mentioned in section 52:13-1 of this title to appear before such committee and testify, fails to obey such summons, the speaker of the house of assembly or the president of the senate may, upon application to him, by warrant under his hand order the sergeant at arms of the house over which he presides to arrest such person and bring him before the committee, and the sergeant at arms shall thereupon execute the warrant to him so directed.