In any case, civil or criminal, in which a road or way is alleged to be a "way" as defined in RSA 259:125 or a public highway, a party shall notify the opposing party or counsel at least ten days prior to trial if said "way" or public highway must be formally proved; otherwise, the need to formally prove said "way" or public highway will be deemed to be waived.
N.H. R. Cir. Ct. Dist. Div. 1.22