N.H. Rev. Stat. Ann. § 352:9

Waivers Void

Source. 1988, 117:1, eff

Any provision of a contract or agreement whereby the artist or art dealer waives any of the provisions of this subdivision shall be void.

Official source: New Hampshire General Court. Reproduced from public-domain New Hampshire statutes; confirm against the official source for the current text. Not legal advice.