RSA 674:11 Amendments to Official Map.

The local legislative body is authorized and empowered, whenever and as often as it may deem it advisable or necessary for the public interest, to change or add to the official map of the municipality. Amendments may be made in order to establish the exterior lines of the new streets or parks, or to widen, extend, relocate, narrow, vacate, abandon, or close existing streets or parks, and to indicate the acceptance of, change of use, acquisition of land for, or sale or lease of any street or other public way, ground, place, property, or structure. No change shall become effective until after a public hearing has been held on the change, at which parties in interest and citizens shall have had an opportunity to be heard. Notice of the public hearing shall be given by publishing at least 10