N.H. Rev. Stat. § 38-B:3
The affairs of the regional transit district shall be governed by a regional transit district board. Following the initial vote of a city or town to join the district, the selectmen, town or city council, or board of aldermen of each member city or town shall appoint members to the board as follows: a municipality with a population over 50,000 shall be entitled to have 5 voting representatives; a municipality with a population over 25,000 but less than 50,000 shall be entitled to 4 voting representatives; a municipality with a population over 10,000 but less than 25,000 shall be entitled to 3 voting representatives; and municipalities with less than 10,000 in population shall be entitled to 2 voting representatives. The district board shall adopt bylaws governing board membership, terms of office, officers, and other issues of the structure and procedures of the board.
RSA 38-B:3
1996, 6:2, eff. May 19, 1996.