N.H. Code Admin. R. Saf-C 3217.11
Pursuant to RSA 266:56, any vehicle manufactured after January 1, 1947, shall be rejected if not equipped with a functional defroster capable of melting snow and ice on the windshield.
Source. (See Revision Notes at Chapter Heading Saf-C 3200) #8915, eff 6-22-07, EXPIRED: 6-22-15 New. #10886, INTERIM, eff 7-16-15, EXPIRES: 1-12-16; ss by #11016, eff 1-6-16