RSA 498-A:9-a Preliminary Objections.

I. Within 30 days after the return day, any condemnee may file a motion in the office of the board raising preliminary objections to the declaration of taking. The board upon cause shown may extend the time for filing preliminary objection. Preliminary objection shall be limited to and shall be the exclusive method of challenging:
(a) The sufficiency of the security;
(b) Any other procedure followed by the condemnor; or
(c) The necessity, public use, and net-public benefit of the taking.
II. Failure to raise any matters by preliminary objection shall constitute a waiver thereof.
III. Preliminary objection shall state specifically the grounds relied upon.
IV. All preliminary objections shall be raised at one time and in one pleading. They may be in