If a minister or justice of the peace shall join any persons in marriage without having first received a certificate of the town clerk, or shall join any persons in marriage with a certificate which he knows to be invalid, he shall forfeit for each offense $60.
N.H. Rev. Stat. Ann. § 457:34
Penalty for Solemnization Without Valid Certificate
Source
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.