N.H. Rev. Stat. § 31:39-a
The legislative body of a town or city may adopt an ordinance defining and regulating conflicts of interest for local officers and employees, whether elected or appointed. Any such ordinance may include provisions requiring disclosure of financial interests for specified officers and employees, establishing incompatibility of office requirements stricter than those specified by state law or establishing conditions under which prohibited conflicts of interest shall require removal from office. Any such ordinance shall include provisions to exempt affected officers and employees who are in office or employed at the time the ordinance is adopted for a period not to exceed one year from the date of adoption. The superior court shall have jurisdiction over any removal proceedings instituted under an ordinance adopted under this section.
RSA 31:39-a
1981, 221:1, eff. Aug. 10, 1981.