No sheriff or deputy sheriff, police officer, constable or city marshal shall appear in any court or before a justice as attorney for any party in a civil proceeding or for a respondent in any criminal proceeding.
N.H. Rev. Stat. Ann. § 104:25
Not To Be Attorney
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.