RSA 479:28 Void Unless Continued.

I. From and after January 1, 2028, all undischarged mortgages in which the term or maturity date is not stated shall be deemed discharged without the necessity of any further action 35 years from the date of recording of the mortgage, unless an extension of the mortgage, or an acknowledgment or affidavit that the mortgage is not satisfied, is recorded before the expiration of the said 35-year period.
II. From and after January 1, 2028, all undischarged mortgages in which the term or maturity date is stated shall be deemed discharged without the necessity of any further action 5 years from the expiration of the term or the maturity date, unless an extension of the mortgage, or an acknowledgment or affidavit that the mortgage is not satisfied, is recorded before the expiration o