N.H. Rev. Stat. Ann. § 24:16

Any violation of the provisions of RSA 24:15 or of provisions of RSA 29:8 shall subject the person or persons so violating to the provisions of RSA 661:9, providing for removal from office. A petition of 5 resident taxpayers of the county may be made to the the county commissioners, the county attorney, or a superior court judge for such removal or for removal for official misconduct.