N.H. Cir. Ct. Dist. Div. R. 6.4

Defendants who are issued a summons and local ordinance citation and who wish to plead guilty or nolo contendere shall enter their plea on the summons and return it with payment of the civil penalty, as set forth in the citation, to the Clerk of the Court prior to the arraignment date, or shall appear in court on the date of arraignment. A defendant who enters a plea of guilty or nolo contendere but who does not include payment of the civil penalty shall appear in court on the date of arraignment.