RSA 472:4 Agreement in Writing.

A writing, reciting that the parties signing the same are adjoining owners, that the division line between their lands is in dispute, that the line described in their respective deeds or in the deeds of any of their predecessors in title cannot be located on the ground by reason of the loss or obliteration of the monuments and boundaries therein named and described, and containing a full and complete description of the line thus agreed upon and established, and the volume and page where their said respective deeds are recorded, or if title was not acquired by deed, a statement identifying each owner's other source of title, shall be signed and acknowledged by the parties to the agreement before any officer having authority to take the acknowledgment of deeds, and recorded with the registr