N.H. Rev. Stat. Ann. § 595-B:1

An inspection warrant shall be a written order in the name of the state, signed by a justice, associate justice or special justice of any municipal, district or superior court, directed to an official or employee of a state agency, municipality, or other political subdivision, commanding him to conduct any inspection, testing or sampling required or specifically authorized by state law or administrative rule, or municipal ordinance, code or regulation.