N.H. Rev. Stat. Ann. § 78-B:7

If any purchaser, grantee, assignee, transferee, seller, grantor, assignor or transferor who is a party to a transfer of real estate or an interest in real estate falsely states in writing upon any instrument to be recorded or upon the declaration of consideration required by RSA 78-B:10 that no tax is due, or attaches to the instrument indicia of tax paid that indicate a purchase price or consideration less than the actual price or consideration, he or she shall be subject to a civil penalty of 100 percent of the amount of additional taxes determined to be due, in lieu of the provisions of RSA 21-J:33.