N.H. Rev. Stat. Ann. § 670:1-a

In the case of a village district that includes voters from 2 or more towns and holds its elections in conjunction with town elections, in the event of a weather or other emergency as described in RSA 669:1, V, the town moderators in each town shall, as described in RSA 669:1, coordinate to reschedule the town and village district elections as provided in that section.