No cancellation or refusal to renew by an insurer of a policy of automobile insurance shall be effective unless the insurer or its agent either physically delivers or mails to the named insured, at the address shown in the policy, a written notice of the cancellation or refusal to renew or electronically delivers to the named insured a written notice of cancellation or refusal to renew. Such notice shall:
RSA 417-A:5
1969, 487:1. 1971, 453:4. 1996, 285:21, eff. Jan. 1, 1997. 2006, 196:12, eff. July 30, 2006. 2009, 215:8, 9, eff. Sept. 13, 2009. 2010, 212:11, eff. Jan. 1, 2011.