Section 674:46-a - Powers and Duties of the Historic District CommissionI. For the purpose of establishing a legal basis for the district, the historic district commission may perform research and prepare the content of the historic district ordinance prior to its adoption or amendment as provided in RSA 675:2. In cases in which a municipality chooses to have both a heritage commission and a historic district commission, the historic district commission may request assistance from the heritage commission in performing research and preparing the content of the historic district ordinance.II. The historic district commission may adopt and amend regulations in the manner provided in RSA 675:6.III. The historic district commission shall be responsible for administering the ordinance and regulations within the historic district as provided in RSA 676:8-10.IV. All districts and regulations shall be compatible with the master plan and zoning ordinance of the city, town, or county in which they exist.V. The historic district commission may assume, if authorized by the local legislative body, the composition and duties of heritage commissions.1985, 103:23. 1989, 266:22. 1992, 64:15. 1993, 32:2, eff. June 7, 1993.