N.H. Rev. Stat. § 479:18 : CONVEYANCES AND MORTGAGES OF REALTY — MORTGAGES OF REALTY —PERFORMANCE OF CONDITIONS AND REDEMPTION — Redemption After Condition Broken

All lands conveyed in mortgage may be redeemed by the mortgagor, after the condition thereof is broken, by the payment of all demands and the performance of all things secured by the mortgage and the payment of all damages and costs sustained and incurred by reason of the nonperformance of its condition, or by a legal tender thereof, before foreclosure.