N.J. Stat. Ann. § 52:13-6

The senate and general assembly may by concurrent resolution direct that the senate and general assembly meet in joint session at a time and place therein fixed for the purpose of hearing the evidence and arguments regarding the alleged contempt and may order that a warrant, directed to any sergeant at arms of either house or of the joint session or to any sheriff, police officer, member of the state police, or other peace officer, issue in such manner as shall be prescribed in and by the concurrent resolution for the arrest of the alleged contemner and the production of him at the bar of such joint session, there to be heard.