RSA 48-A:4 Procedure for Enforcement.

If the owner fails to comply with an order, made pursuant to the provisions of RSA 48-A:3, to repair, alter, improve or to vacate and close the dwelling, or to remove or demolish the dwelling, the public agency may file a petition in the superior court in which it shall set forth the charges issued pursuant to RSA 48-A:3, II, as well as any other allegations bearing upon the unfitness of the dwelling for human habitation. The court shall thereupon direct notice to be given all parties having an interest in said dwelling, including mortgagees and persons in possession thereof. Such notice shall be given, where practicable, by personal service, except that if the person to be served resides outside the state, service may be made upon him by registered mail; and if there are any unascertaine