N.H. Rev. Stat. Ann. § 275:40

Any employer who violates the provisions of RSA 275:37, RSA 275:38-a, or RSA 275:41-b shall be guilty of a violation if a natural person or guilty of a misdemeanor if any other person, and notwithstanding RSA 651:2, IV(a), subject to a fine of not more than $2,500.