RSA 48-A:3 Provisions of Ordinances, Codes and Bylaws.

Such ordinances, codes and bylaws shall include the following provisions:
I. That a public agency is established, consisting of such one of the following as the governing body, at its option; shall expressly provide in such ordinance, code, or bylaw:
(a) A board consisting of at least 3 members 2 of whom shall be the head of the municipal health department, and the head of the municipal fire department, if such offices exist, and such other incumbents of municipal offices or positions as such ordinance, code, or bylaw shall prescribe. Selectmen, and city and town managers, and members of the governing bodies of cities shall be ineligible for membership on such board. No person shall serve concurrently as a member of such board and as a member of the appointing authority.