If any party to whom notice of a hearing has been given in accordance with these rules fails to appear and fails to advise the appeals clerk of such non-appearance in advance of the hearing, and the council determines that delaying the hearing to a later date would cause undue inconvenience or prejudice to the party or parties present, the council shall hear the evidence and testimony of the parties present and shall render a decision thereon, subject to the provisions of Env-AC 205.13.
N.H. Admin. Code § Env-AC 205.12
#8267-A, eff 1-25-05