New Jersey Statutes Title 2A. Administration of Civil and Criminal Justice 2A § 21-3

If a prisoner at large within the prison limits after giving the bond required by section 2A:21-2 of this title voluntarily and intentionally goes out of and beyond the prison limits, such action on his part shall constitute an absolute forfeiture of his bond, and the sheriff to whom the bond has been given shall, or the plaintiff at whose suit the prisoner was committed to custody, if the bond has been assigned to him pursuant to section 2A:21-4 of this title, may, sue on the bond, although the prisoner may have returned within the prison limits before the commencement of such action, any law, custom or usage to the contrary notwithstanding.