The notice shall be in writing, and a copy shall be given to each mortgagee as recorded at the registry of deeds in hand, or left at his usual place of abode, or sent by certified mail, return receipt requested, or registered mail to his last known post-office address.
RSA 80:66
1987, 322:1. 1992, 54:2, eff. Jan. 1, 1993.