266:31-a Multiple Beam Lighting Equipment. – All motor vehicles shall be equipped with multiple beam headlighting equipment, except that headlamp systems which provide only a single distribution of light shall be permitted on all farm tractors regardless of date of manufacture and on antique motor vehicles which were not originally equipped with multiple beam road lighting equipment. Source. 1981, 479:53, eff. Jan. 1, 1982 at 12:01 a.m.
New Hampshire Legal Code