A revaluation or partial update contract shall contain a statement as to the estimated size of the revaluation or partial update as follows:
"It is agreed between the parties that the entire (revaluation) or (partial update) consists of an estimate of ________ parcels, as defined by RSA 75:9. In the event that the number of parcels should exceed _____% of this estimate, the contractor shall be entitled to additional remuneration of __________ for each parcel that exceeds the original estimate."
N.H. Admin. Code § Rev 608.01