N.H. Rev. Stat. Ann. § 266:58

It shall be unlawful to register or to drive on any way in this state any motor vehicle which shall have been manufactured or assembled on or after January 1, 1936, unless it be equipped with safety glass wherever glass is used in partitions, doors, windows, or windshields. This section shall not apply to any motor vehicle registered in another state by a bona fide resident of said state.