N.H. Rev. Stat. Ann. § 232:20

When the report of the commissioners is returned into court any party whose interest is affected thereby may appear and be heard in relation to it; and it may be recommitted or accepted and judgment be rendered thereon, establishing the highway, alterations, contributions, apportionment or other matters reported upon. In case of appeal the decision of the selectmen may be affirmed, modified or reversed, according to such report.