N.H. Rev. Stat. Ann. § 646-A:2

Desecration Prohibited

Source. 1990, 135:2, eff

I. It shall be unlawful to knowingly desecrate a flag of the United States while it is properly displayed.

II. It shall be unlawful to knowingly desecrate a flag of the United States while it is the property of another.

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.